diff --git a/cmd/users/main.go b/cmd/users/main.go
index ae84549b94..d96e648c71 100644
--- a/cmd/users/main.go
+++ b/cmd/users/main.go
@@ -186,7 +186,7 @@ func main() {
 	oauthProvider := googleoauth.NewProvider(oauthConfig, cfg.OAuthUIRedirectURL, cfg.OAuthUIErrorURL)
 
 	mux := chi.NewRouter()
-	httpSrv := httpserver.New(ctx, cancel, svcName, httpServerConfig, capi.MakeHandler(csvc, gsvc, mux, logger, cfg.InstanceID, oauthProvider), logger)
+	httpSrv := httpserver.New(ctx, cancel, svcName, httpServerConfig, capi.MakeHandler(csvc, gsvc, mux, logger, cfg.InstanceID, cfg.PassRegex, oauthProvider), logger)
 
 	if cfg.SendTelemetry {
 		chc := chclient.New(svcName, magistrala.Version, logger, cancel)
@@ -219,7 +219,7 @@ func newService(ctx context.Context, authClient magistrala.AuthServiceClient, db
 		logger.Error(fmt.Sprintf("failed to configure e-mailing util: %s", err.Error()))
 	}
 
-	csvc := users.NewService(cRepo, authClient, emailerClient, hsr, idp, c.PassRegex, c.SelfRegister)
+	csvc := users.NewService(cRepo, authClient, emailerClient, hsr, idp, c.SelfRegister)
 	gsvc := mggroups.NewService(gRepo, idp, authClient)
 
 	csvc, err = uevents.NewEventStoreMiddleware(ctx, csvc, c.ESURL)
diff --git a/internal/api/common.go b/internal/api/common.go
index 886b934657..998402ad1c 100644
--- a/internal/api/common.go
+++ b/internal/api/common.go
@@ -106,8 +106,7 @@ func EncodeError(_ context.Context, err error, w http.ResponseWriter) {
 
 	w.Header().Set("Content-Type", ContentType)
 	switch {
-	case errors.Contains(err, apiutil.ErrInvalidSecret),
-		errors.Contains(err, svcerr.ErrMalformedEntity),
+	case errors.Contains(err, svcerr.ErrMalformedEntity),
 		errors.Contains(err, errors.ErrMalformedEntity),
 		errors.Contains(err, apiutil.ErrMissingID),
 		errors.Contains(err, apiutil.ErrEmptyList),
@@ -121,7 +120,12 @@ func EncodeError(_ context.Context, err error, w http.ResponseWriter) {
 		errors.Contains(err, apiutil.ErrInvalidQueryParams),
 		errors.Contains(err, apiutil.ErrInvalidStatus),
 		errors.Contains(err, apiutil.ErrMissingRelation),
-		errors.Contains(err, apiutil.ErrValidation):
+		errors.Contains(err, apiutil.ErrValidation),
+		errors.Contains(err, apiutil.ErrMissingIdentity),
+		errors.Contains(err, apiutil.ErrMissingSecret),
+		errors.Contains(err, apiutil.ErrMissingPass),
+		errors.Contains(err, apiutil.ErrMissingConfPass),
+		errors.Contains(err, apiutil.ErrPasswordFormat):
 		w.WriteHeader(http.StatusBadRequest)
 	case errors.Contains(err, svcerr.ErrAuthentication),
 		errors.Contains(err, apiutil.ErrBearerToken):
diff --git a/internal/api/common_test.go b/internal/api/common_test.go
index c243aac1b5..ac1adf40c4 100644
--- a/internal/api/common_test.go
+++ b/internal/api/common_test.go
@@ -225,7 +225,7 @@ func TestEncodeError(t *testing.T) {
 		{
 			desc: "BadRequest",
 			errs: []error{
-				apiutil.ErrInvalidSecret,
+				apiutil.ErrMissingSecret,
 				svcerr.ErrMalformedEntity,
 				errors.ErrMalformedEntity,
 				apiutil.ErrMissingID,
@@ -240,7 +240,7 @@ func TestEncodeError(t *testing.T) {
 		{
 			desc: "BadRequest with validation error",
 			errs: []error{
-				errors.Wrap(apiutil.ErrValidation, apiutil.ErrInvalidSecret),
+				errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingSecret),
 				errors.Wrap(apiutil.ErrValidation, svcerr.ErrMalformedEntity),
 				errors.Wrap(apiutil.ErrValidation, errors.ErrMalformedEntity),
 				errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingID),
diff --git a/internal/apiutil/errors.go b/internal/apiutil/errors.go
index 11b880106d..2f2261fa03 100644
--- a/internal/apiutil/errors.go
+++ b/internal/apiutil/errors.go
@@ -132,6 +132,9 @@ var (
 	// ErrMissingSecret indicates missing secret.
 	ErrMissingSecret = errors.New("missing secret")
 
+	// ErrPasswordFormat indicates weak password.
+	ErrPasswordFormat = errors.New("password does not meet the requirements")
+
 	// ErrMissingOwner indicates missing entity owner.
 	ErrMissingOwner = errors.New("missing entity owner")
 
@@ -144,9 +147,6 @@ var (
 	// ErrMissingName indicates missing identity name.
 	ErrMissingName = errors.New("missing identity name")
 
-	// ErrInvalidSecret indicates invalid secret.
-	ErrInvalidSecret = errors.New("missing secret")
-
 	// ErrInvalidLevel indicates an invalid group level.
 	ErrInvalidLevel = errors.New("invalid group level (should be between 0 and 5)")
 
diff --git a/pkg/sdk/go/groups_test.go b/pkg/sdk/go/groups_test.go
index 9ac23c7620..5b82db9a92 100644
--- a/pkg/sdk/go/groups_test.go
+++ b/pkg/sdk/go/groups_test.go
@@ -37,14 +37,14 @@ func setupGroups() (*httptest.Server, *mocks.Repository, *authmocks.AuthClient)
 	grepo := new(mocks.Repository)
 
 	auth := new(authmocks.AuthClient)
-	csvc := users.NewService(crepo, auth, emailer, phasher, idProvider, passRegex, true)
+	csvc := users.NewService(crepo, auth, emailer, phasher, idProvider, true)
 	gsvc := groups.NewService(grepo, idProvider, auth)
 
 	logger := mglog.NewMock()
 	mux := chi.NewRouter()
 	provider := new(oauth2mocks.Provider)
 	provider.On("Name").Return("test")
-	api.MakeHandler(csvc, gsvc, mux, logger, "", provider)
+	api.MakeHandler(csvc, gsvc, mux, logger, "", passRegex, provider)
 
 	return httptest.NewServer(mux), grepo, auth
 }
diff --git a/pkg/sdk/go/things_test.go b/pkg/sdk/go/things_test.go
index 40fd38d0ee..613b57084f 100644
--- a/pkg/sdk/go/things_test.go
+++ b/pkg/sdk/go/things_test.go
@@ -892,8 +892,8 @@ func TestUpdateThingSecret(t *testing.T) {
 			newSecret: "newSecret",
 			token:     validToken,
 			response:  sdk.Thing{},
-			repoErr:   apiutil.ErrInvalidSecret,
-			err:       errors.NewSDKErrorWithStatus(errors.Wrap(svcerr.ErrUpdateEntity, apiutil.ErrInvalidSecret), http.StatusBadRequest),
+			repoErr:   apiutil.ErrMissingSecret,
+			err:       errors.NewSDKErrorWithStatus(errors.Wrap(svcerr.ErrUpdateEntity, apiutil.ErrMissingSecret), http.StatusBadRequest),
 		},
 	}
 	for _, tc := range cases {
diff --git a/pkg/sdk/go/tokens_test.go b/pkg/sdk/go/tokens_test.go
index ebf6cfbd53..ad5f07a957 100644
--- a/pkg/sdk/go/tokens_test.go
+++ b/pkg/sdk/go/tokens_test.go
@@ -62,7 +62,7 @@ func TestIssueToken(t *testing.T) {
 			desc:  "issue token for an empty user",
 			login: sdk.Login{},
 			token: &magistrala.Token{},
-			err:   errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingIdentity), http.StatusInternalServerError),
+			err:   errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingIdentity), http.StatusBadRequest),
 		},
 		{
 			desc:     "issue token for invalid identity",
diff --git a/pkg/sdk/go/users_test.go b/pkg/sdk/go/users_test.go
index ca5191d160..54b0f93f87 100644
--- a/pkg/sdk/go/users_test.go
+++ b/pkg/sdk/go/users_test.go
@@ -43,14 +43,14 @@ func setupUsers() (*httptest.Server, *umocks.Repository, *gmocks.Repository, *au
 	gRepo := new(gmocks.Repository)
 
 	auth := new(authmocks.AuthClient)
-	csvc := users.NewService(crepo, auth, emailer, phasher, idProvider, passRegex, true)
+	csvc := users.NewService(crepo, auth, emailer, phasher, idProvider, true)
 	gsvc := groups.NewService(gRepo, idProvider, auth)
 
 	logger := mglog.NewMock()
 	mux := chi.NewRouter()
 	provider := new(oauth2mocks.Provider)
 	provider.On("Name").Return("test")
-	api.MakeHandler(csvc, gsvc, mux, logger, "", provider)
+	api.MakeHandler(csvc, gsvc, mux, logger, "", passRegex, provider)
 
 	return httptest.NewServer(mux), crepo, gRepo, auth
 }
@@ -62,7 +62,7 @@ func TestCreateClient(t *testing.T) {
 	user := sdk.User{
 		Name:        "clientname",
 		Tags:        []string{"tag1", "tag2"},
-		Credentials: sdk.Credentials{Identity: "admin@example.com", Secret: "secret"},
+		Credentials: sdk.Credentials{Identity: "admin@example.com", Secret: "12345678"},
 		Status:      mgclients.EnabledStatus.String(),
 	}
 	conf := sdk.Config{
@@ -96,7 +96,7 @@ func TestCreateClient(t *testing.T) {
 			client:   sdk.User{},
 			response: sdk.User{},
 			token:    token,
-			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, errors.ErrMalformedEntity), http.StatusBadRequest),
+			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingIdentity), http.StatusBadRequest),
 		},
 		{
 			desc: "register a user that can't be marshalled",
@@ -135,7 +135,7 @@ func TestCreateClient(t *testing.T) {
 			},
 			response: sdk.User{},
 			token:    token,
-			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, errors.ErrMalformedEntity), http.StatusBadRequest),
+			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingIdentity), http.StatusBadRequest),
 		},
 		{
 			desc: "register user with empty identity",
@@ -147,14 +147,7 @@ func TestCreateClient(t *testing.T) {
 			},
 			response: sdk.User{},
 			token:    token,
-			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, errors.ErrMalformedEntity), http.StatusBadRequest),
-		},
-		{
-			desc:     "register empty user",
-			client:   sdk.User{},
-			response: sdk.User{},
-			token:    token,
-			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, errors.ErrMalformedEntity), http.StatusBadRequest),
+			err:      errors.NewSDKErrorWithStatus(errors.Wrap(apiutil.ErrValidation, apiutil.ErrMissingIdentity), http.StatusBadRequest),
 		},
 		{
 			desc: "register user with every field defined",
@@ -828,7 +821,7 @@ func TestUpdateClientSecret(t *testing.T) {
 			newSecret: "newSecret",
 			token:     validToken,
 			response:  sdk.User{},
-			repoErr:   apiutil.ErrInvalidSecret,
+			repoErr:   apiutil.ErrMissingSecret,
 			err:       errors.NewSDKErrorWithStatus(errors.Wrap(svcerr.ErrNotFound, repoerr.ErrMissingSecret), http.StatusBadRequest),
 		},
 	}
diff --git a/users/api/clients.go b/users/api/clients.go
index 991728d8c6..65b6527d8e 100644
--- a/users/api/clients.go
+++ b/users/api/clients.go
@@ -8,6 +8,7 @@ import (
 	"encoding/json"
 	"log/slog"
 	"net/http"
+	"regexp"
 	"strings"
 
 	"github.com/absmach/magistrala/auth"
@@ -22,8 +23,12 @@ import (
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
 )
 
+var passRegex = regexp.MustCompile("^.{8,}$")
+
 // MakeHandler returns a HTTP handler for API endpoints.
-func clientsHandler(svc users.Service, r *chi.Mux, logger *slog.Logger, providers ...oauth2.Provider) http.Handler {
+func clientsHandler(svc users.Service, r *chi.Mux, logger *slog.Logger, pr *regexp.Regexp, providers ...oauth2.Provider) http.Handler {
+	passRegex = pr
+
 	opts := []kithttp.ServerOption{
 		kithttp.ServerErrorEncoder(apiutil.LoggingErrorEncoder(logger, api.EncodeError)),
 	}
diff --git a/users/api/endpoint_test.go b/users/api/endpoint_test.go
index 3ec2ea791d..dc1dcb4a0c 100644
--- a/users/api/endpoint_test.go
+++ b/users/api/endpoint_test.go
@@ -9,6 +9,7 @@ import (
 	"io"
 	"net/http"
 	"net/http/httptest"
+	"regexp"
 	"strings"
 	"testing"
 
@@ -44,11 +45,11 @@ var (
 		Metadata:    validCMetadata,
 		Status:      mgclients.EnabledStatus,
 	}
-	validToken        = "valid"
-	inValidToken      = "invalid"
-	inValid           = "invalid"
-	validID           = "d4ebb847-5d0e-4e46-bdd9-b6aceaaa3a22"
-	ErrPasswordFormat = errors.New("password does not meet the requirements")
+	validToken   = "valid"
+	inValidToken = "invalid"
+	inValid      = "invalid"
+	validID      = "d4ebb847-5d0e-4e46-bdd9-b6aceaaa3a22"
+	passRegex    = regexp.MustCompile("^.{8,}$")
 )
 
 const contentType = "application/json"
@@ -92,7 +93,7 @@ func newUsersServer() (*httptest.Server, *mocks.Service) {
 	mux := chi.NewRouter()
 	provider := new(oauth2mocks.Provider)
 	provider.On("Name").Return("test")
-	httpapi.MakeHandler(svc, gsvc, mux, logger, "", provider)
+	httpapi.MakeHandler(svc, gsvc, mux, logger, "", passRegex, provider)
 
 	return httptest.NewServer(mux), svc
 }
@@ -1166,8 +1167,8 @@ func TestPasswordReset(t *testing.T) {
 			data:        fmt.Sprintf(`{"token": "%s", "password": "%s", "confirm_password": "%s"}`, validToken, "weak", "weak"),
 			token:       validToken,
 			contentType: contentType,
-			status:      http.StatusInternalServerError,
-			err:         ErrPasswordFormat,
+			status:      http.StatusBadRequest,
+			err:         apiutil.ErrPasswordFormat,
 		},
 		{
 			desc:        "password reset with empty token",
@@ -1182,7 +1183,7 @@ func TestPasswordReset(t *testing.T) {
 			data:        fmt.Sprintf(`{"token": "%s", "password": "%s", "confirm_password": "%s"}`, validToken, "", ""),
 			token:       validToken,
 			contentType: contentType,
-			status:      http.StatusInternalServerError,
+			status:      http.StatusBadRequest,
 			err:         apiutil.ErrValidation,
 		},
 		{
@@ -1338,7 +1339,7 @@ func TestUpdateClientSecret(t *testing.T) {
 	}{
 		{
 			desc: "update user secret with valid token",
-			data: fmt.Sprintf(`{"secret": "%s"}`, "strongersecret"),
+			data: `{"old_secret": "strongersecret", "new_secret": "strongersecret"}`,
 			client: mgclients.Client{
 				ID: client.ID,
 				Credentials: mgclients.Credentials{
@@ -1353,7 +1354,7 @@ func TestUpdateClientSecret(t *testing.T) {
 		},
 		{
 			desc: "update user secret with empty token",
-			data: fmt.Sprintf(`{"secret": "%s"}`, "strongersecret"),
+			data: `{"old_secret": "strongersecret", "new_secret": "strongersecret"}`,
 			client: mgclients.Client{
 				ID: client.ID,
 				Credentials: mgclients.Credentials{
@@ -1368,7 +1369,7 @@ func TestUpdateClientSecret(t *testing.T) {
 		},
 		{
 			desc: "update user secret with invalid token",
-			data: fmt.Sprintf(`{"secret": "%s"}`, "strongersecret"),
+			data: `{"old_secret": "strongersecret", "new_secret": "strongersecret"}`,
 			client: mgclients.Client{
 				ID: client.ID,
 				Credentials: mgclients.Credentials{
@@ -1384,7 +1385,7 @@ func TestUpdateClientSecret(t *testing.T) {
 
 		{
 			desc: "update user secret with empty secret",
-			data: fmt.Sprintf(`{"secret": "%s"}`, ""),
+			data: `{"old_secret": "", "new_secret": "strongersecret"}`,
 			client: mgclients.Client{
 				ID: client.ID,
 				Credentials: mgclients.Credentials{
@@ -1395,11 +1396,11 @@ func TestUpdateClientSecret(t *testing.T) {
 			contentType: contentType,
 			token:       validToken,
 			status:      http.StatusBadRequest,
-			err:         apiutil.ErrBearerKey,
+			err:         apiutil.ErrMissingPass,
 		},
 		{
 			desc: "update user secret with invalid contentype",
-			data: fmt.Sprintf(`{"secret": "%s"}`, ""),
+			data: `{"old_secret": "strongersecret", "new_secret": "strongersecret"}`,
 			client: mgclients.Client{
 				ID: client.ID,
 				Credentials: mgclients.Credentials{
@@ -1479,7 +1480,7 @@ func TestIssueToken(t *testing.T) {
 			desc:        "issue token with empty identity",
 			data:        fmt.Sprintf(`{"identity": "%s", "secret": "%s", "domainID": "%s"}`, "", secret, validID),
 			contentType: contentType,
-			status:      http.StatusInternalServerError,
+			status:      http.StatusBadRequest,
 			err:         apiutil.ErrValidation,
 		},
 		{
diff --git a/users/api/requests.go b/users/api/requests.go
index 394cca1240..471f726096 100644
--- a/users/api/requests.go
+++ b/users/api/requests.go
@@ -20,6 +20,15 @@ func (req createClientReq) validate() error {
 	if len(req.client.Name) > api.MaxNameSize {
 		return apiutil.ErrNameSize
 	}
+	if req.client.Credentials.Identity == "" {
+		return apiutil.ErrMissingIdentity
+	}
+	if req.client.Credentials.Secret == "" {
+		return apiutil.ErrMissingPass
+	}
+	if !passRegex.MatchString(req.client.Credentials.Secret) {
+		return apiutil.ErrPasswordFormat
+	}
 
 	return req.client.Validate()
 }
@@ -180,6 +189,12 @@ func (req updateClientSecretReq) validate() error {
 	if req.token == "" {
 		return apiutil.ErrBearerToken
 	}
+	if req.OldSecret == "" || req.NewSecret == "" {
+		return apiutil.ErrMissingPass
+	}
+	if !passRegex.MatchString(req.NewSecret) {
+		return apiutil.ErrPasswordFormat
+	}
 
 	return nil
 }
@@ -211,7 +226,7 @@ func (req loginClientReq) validate() error {
 		return apiutil.ErrMissingIdentity
 	}
 	if req.Secret == "" {
-		return apiutil.ErrMissingSecret
+		return apiutil.ErrMissingPass
 	}
 
 	return nil
@@ -265,6 +280,9 @@ func (req resetTokenReq) validate() error {
 	if req.Password != req.ConfPass {
 		return apiutil.ErrInvalidResetPass
 	}
+	if !passRegex.MatchString(req.ConfPass) {
+		return apiutil.ErrPasswordFormat
+	}
 
 	return nil
 }
diff --git a/users/api/requests_test.go b/users/api/requests_test.go
index 571233ae86..760e50eda1 100644
--- a/users/api/requests_test.go
+++ b/users/api/requests_test.go
@@ -17,6 +17,7 @@ import (
 const (
 	valid   = "valid"
 	invalid = "invalid"
+	secret  = "QJg58*aMan7j"
 )
 
 var validID = testsutil.GenerateUUID(&testing.T{})
@@ -36,7 +37,7 @@ func TestCreateClientReqValidate(t *testing.T) {
 					Name: valid,
 					Credentials: mgclients.Credentials{
 						Identity: "example@example.com",
-						Secret:   valid,
+						Secret:   secret,
 					},
 				},
 			},
@@ -51,7 +52,7 @@ func TestCreateClientReqValidate(t *testing.T) {
 					Name: valid,
 					Credentials: mgclients.Credentials{
 						Identity: "example@example.com",
-						Secret:   valid,
+						Secret:   secret,
 					},
 				},
 			},
@@ -67,6 +68,49 @@ func TestCreateClientReqValidate(t *testing.T) {
 			},
 			err: apiutil.ErrNameSize,
 		},
+		{
+			desc: "missing identity in request",
+			req: createClientReq{
+				token: valid,
+				client: mgclients.Client{
+					ID:   validID,
+					Name: valid,
+					Credentials: mgclients.Credentials{
+						Secret: valid,
+					},
+				},
+			},
+			err: apiutil.ErrMissingIdentity,
+		},
+		{
+			desc: "missing secret in request",
+			req: createClientReq{
+				token: valid,
+				client: mgclients.Client{
+					ID:   validID,
+					Name: valid,
+					Credentials: mgclients.Credentials{
+						Identity: "example@example.com",
+					},
+				},
+			},
+			err: apiutil.ErrMissingPass,
+		},
+		{
+			desc: "invalid secret in request",
+			req: createClientReq{
+				token: valid,
+				client: mgclients.Client{
+					ID:   validID,
+					Name: valid,
+					Credentials: mgclients.Credentials{
+						Identity: "example@example.com",
+						Secret:   "invalid",
+					},
+				},
+			},
+			err: apiutil.ErrPasswordFormat,
+		},
 	}
 	for _, tc := range cases {
 		err := tc.req.validate()
@@ -411,8 +455,8 @@ func TestUpdateClientSecretReqValidate(t *testing.T) {
 			desc: "valid request",
 			req: updateClientSecretReq{
 				token:     valid,
-				OldSecret: valid,
-				NewSecret: valid,
+				OldSecret: secret,
+				NewSecret: secret,
 			},
 			err: nil,
 		},
@@ -420,11 +464,38 @@ func TestUpdateClientSecretReqValidate(t *testing.T) {
 			desc: "empty token",
 			req: updateClientSecretReq{
 				token:     "",
-				OldSecret: valid,
-				NewSecret: valid,
+				OldSecret: secret,
+				NewSecret: secret,
 			},
 			err: apiutil.ErrBearerToken,
 		},
+		{
+			desc: "missing old secret",
+			req: updateClientSecretReq{
+				token:     valid,
+				OldSecret: "",
+				NewSecret: secret,
+			},
+			err: apiutil.ErrMissingPass,
+		},
+		{
+			desc: "missing new secret",
+			req: updateClientSecretReq{
+				token:     valid,
+				OldSecret: secret,
+				NewSecret: "",
+			},
+			err: apiutil.ErrMissingPass,
+		},
+		{
+			desc: "invalid new secret",
+			req: updateClientSecretReq{
+				token:     valid,
+				OldSecret: secret,
+				NewSecret: "invalid",
+			},
+			err: apiutil.ErrPasswordFormat,
+		},
 	}
 	for _, c := range cases {
 		err := c.req.validate()
@@ -479,7 +550,7 @@ func TestLoginClientReqValidate(t *testing.T) {
 			desc: "valid request",
 			req: loginClientReq{
 				Identity: "eaxmple,example.com",
-				Secret:   valid,
+				Secret:   secret,
 			},
 			err: nil,
 		},
@@ -487,7 +558,7 @@ func TestLoginClientReqValidate(t *testing.T) {
 			desc: "empty identity",
 			req: loginClientReq{
 				Identity: "",
-				Secret:   valid,
+				Secret:   secret,
 			},
 			err: apiutil.ErrMissingIdentity,
 		},
@@ -497,7 +568,7 @@ func TestLoginClientReqValidate(t *testing.T) {
 				Identity: "eaxmple,example.com",
 				Secret:   "",
 			},
-			err: apiutil.ErrMissingSecret,
+			err: apiutil.ErrMissingPass,
 		},
 	}
 	for _, c := range cases {
@@ -580,8 +651,8 @@ func TestResetTokenReqValidate(t *testing.T) {
 			desc: "valid request",
 			req: resetTokenReq{
 				Token:    valid,
-				Password: valid,
-				ConfPass: valid,
+				Password: secret,
+				ConfPass: secret,
 			},
 			err: nil,
 		},
@@ -589,8 +660,8 @@ func TestResetTokenReqValidate(t *testing.T) {
 			desc: "empty token",
 			req: resetTokenReq{
 				Token:    "",
-				Password: valid,
-				ConfPass: valid,
+				Password: secret,
+				ConfPass: secret,
 			},
 			err: apiutil.ErrBearerToken,
 		},
@@ -599,7 +670,7 @@ func TestResetTokenReqValidate(t *testing.T) {
 			req: resetTokenReq{
 				Token:    valid,
 				Password: "",
-				ConfPass: valid,
+				ConfPass: secret,
 			},
 			err: apiutil.ErrMissingPass,
 		},
@@ -607,7 +678,7 @@ func TestResetTokenReqValidate(t *testing.T) {
 			desc: "empty confpass",
 			req: resetTokenReq{
 				Token:    valid,
-				Password: valid,
+				Password: secret,
 				ConfPass: "",
 			},
 			err: apiutil.ErrMissingConfPass,
@@ -616,8 +687,8 @@ func TestResetTokenReqValidate(t *testing.T) {
 			desc: "mismatching password and confpass",
 			req: resetTokenReq{
 				Token:    valid,
-				Password: "valid2",
-				ConfPass: valid,
+				Password: "secret",
+				ConfPass: secret,
 			},
 			err: apiutil.ErrInvalidResetPass,
 		},
diff --git a/users/api/transport.go b/users/api/transport.go
index 354d7b5d5f..e3defd315f 100644
--- a/users/api/transport.go
+++ b/users/api/transport.go
@@ -6,6 +6,7 @@ package api
 import (
 	"log/slog"
 	"net/http"
+	"regexp"
 
 	"github.com/absmach/magistrala"
 	"github.com/absmach/magistrala/pkg/groups"
@@ -16,8 +17,8 @@ import (
 )
 
 // MakeHandler returns a HTTP handler for Users and Groups API endpoints.
-func MakeHandler(cls users.Service, grps groups.Service, mux *chi.Mux, logger *slog.Logger, instanceID string, providers ...oauth2.Provider) http.Handler {
-	clientsHandler(cls, mux, logger, providers...)
+func MakeHandler(cls users.Service, grps groups.Service, mux *chi.Mux, logger *slog.Logger, instanceID string, pr *regexp.Regexp, providers ...oauth2.Provider) http.Handler {
+	clientsHandler(cls, mux, logger, pr, providers...)
 	groupsHandler(grps, mux, logger)
 
 	mux.Get("/health", magistrala.Health("users", instanceID))
diff --git a/users/service.go b/users/service.go
index 5d7fd1998b..ca30d7f2a4 100644
--- a/users/service.go
+++ b/users/service.go
@@ -6,7 +6,6 @@ package users
 import (
 	"context"
 	"fmt"
-	"regexp"
 	"time"
 
 	"github.com/absmach/magistrala"
@@ -25,9 +24,6 @@ var (
 	// ErrRecoveryToken indicates error in generating password recovery token.
 	ErrRecoveryToken = errors.New("failed to generate password recovery token")
 
-	// ErrPasswordFormat indicates weak password.
-	ErrPasswordFormat = errors.New("password does not meet the requirements")
-
 	// ErrFailedPolicyUpdate indicates a failure to update user policy.
 	ErrFailedPolicyUpdate = errors.New("failed to update user policy")
 
@@ -50,19 +46,17 @@ type service struct {
 	auth         magistrala.AuthServiceClient
 	hasher       Hasher
 	email        Emailer
-	passRegex    *regexp.Regexp
 	selfRegister bool
 }
 
 // NewService returns a new Users service implementation.
-func NewService(crepo postgres.Repository, authClient magistrala.AuthServiceClient, emailer Emailer, hasher Hasher, idp magistrala.IDProvider, pr *regexp.Regexp, selfRegister bool) Service {
+func NewService(crepo postgres.Repository, authClient magistrala.AuthServiceClient, emailer Emailer, hasher Hasher, idp magistrala.IDProvider, selfRegister bool) Service {
 	return service{
 		clients:      crepo,
 		auth:         authClient,
 		hasher:       hasher,
 		email:        emailer,
 		idProvider:   idp,
-		passRegex:    pr,
 		selfRegister: selfRegister,
 	}
 }
@@ -92,10 +86,10 @@ func (svc service) RegisterClient(ctx context.Context, token string, cli mgclien
 	}
 
 	if cli.Status != mgclients.DisabledStatus && cli.Status != mgclients.EnabledStatus {
-		return mgclients.Client{}, svcerr.ErrInvalidStatus
+		return mgclients.Client{}, errors.Wrap(svcerr.ErrMalformedEntity, svcerr.ErrInvalidStatus)
 	}
 	if cli.Role != mgclients.UserRole && cli.Role != mgclients.AdminRole {
-		return mgclients.Client{}, svcerr.ErrInvalidRole
+		return mgclients.Client{}, errors.Wrap(svcerr.ErrMalformedEntity, svcerr.ErrInvalidRole)
 	}
 	cli.ID = clientID
 	cli.CreatedAt = time.Now()
@@ -313,9 +307,6 @@ func (svc service) ResetSecret(ctx context.Context, resetToken, secret string) e
 	if c.Credentials.Identity == "" {
 		return repoerr.ErrNotFound
 	}
-	if !svc.passRegex.MatchString(secret) {
-		return ErrPasswordFormat
-	}
 	secret, err = svc.hasher.Hash(secret)
 	if err != nil {
 		return err
@@ -339,9 +330,6 @@ func (svc service) UpdateClientSecret(ctx context.Context, token, oldSecret, new
 	if err != nil {
 		return mgclients.Client{}, err
 	}
-	if !svc.passRegex.MatchString(newSecret) {
-		return mgclients.Client{}, ErrPasswordFormat
-	}
 	dbClient, err := svc.clients.RetrieveByID(ctx, id)
 	if err != nil {
 		return mgclients.Client{}, errors.Wrap(repoerr.ErrNotFound, err)
diff --git a/users/service_test.go b/users/service_test.go
index 94b24651b3..b60858ca7d 100644
--- a/users/service_test.go
+++ b/users/service_test.go
@@ -6,7 +6,6 @@ package users_test
 import (
 	"context"
 	"fmt"
-	"regexp"
 	"strings"
 	"testing"
 
@@ -42,7 +41,6 @@ var (
 		Metadata:    validCMetadata,
 		Status:      mgclients.EnabledStatus,
 	}
-	passRegex         = regexp.MustCompile("^.{8,}$")
 	validToken        = "token"
 	inValidToken      = "invalid"
 	validID           = "d4ebb847-5d0e-4e46-bdd9-b6aceaaa3a22"
@@ -56,7 +54,7 @@ func newService(selfRegister bool) (users.Service, *mocks.Repository, *authmocks
 	cRepo := new(mocks.Repository)
 	auth := new(authmocks.AuthClient)
 	e := mocks.NewEmailer()
-	return users.NewService(cRepo, auth, e, phasher, idProvider, passRegex, selfRegister), cRepo, auth, e
+	return users.NewService(cRepo, auth, e, phasher, idProvider, selfRegister), cRepo, auth, e
 }
 
 func TestRegisterClient(t *testing.T) {
@@ -163,19 +161,6 @@ func TestRegisterClient(t *testing.T) {
 			deletePoliciesResponse: &magistrala.DeletePoliciesRes{Deleted: true},
 			err:                    nil,
 		},
-		{
-			desc: "register a new client with a weak secret",
-			client: mgclients.Client{
-				Name: "clientWithWeakSecret",
-				Credentials: mgclients.Credentials{
-					Identity: "clientwithweaksecret@example.com",
-					Secret:   "weak",
-				},
-			},
-			addPoliciesResponse:    &magistrala.AddPoliciesRes{Added: true},
-			deletePoliciesResponse: &magistrala.DeletePoliciesRes{Deleted: true},
-			err:                    nil,
-		},
 		{
 			desc: " register a client with a secret that is too long",
 			client: mgclients.Client{
@@ -1179,14 +1164,6 @@ func TestUpdateClientSecret(t *testing.T) {
 			identifyErr:      svcerr.ErrAuthentication,
 			err:              svcerr.ErrAuthentication,
 		},
-		{
-			desc:             "update client secret with weak secret",
-			oldSecret:        client.Credentials.Secret,
-			newSecret:        "weak",
-			token:            validToken,
-			identifyResponse: &magistrala.IdentityRes{UserId: client.ID},
-			err:              users.ErrPasswordFormat,
-		},
 		{
 			desc:                 "update client secret with failed to retrieve client by ID",
 			oldSecret:            client.Credentials.Secret,
@@ -2363,14 +2340,6 @@ func TestResetSecret(t *testing.T) {
 			},
 			err: repoerr.ErrNotFound,
 		},
-		{
-			desc:                 "reset secret with invalid secret format",
-			token:                validToken,
-			newSecret:            "weak",
-			identifyResponse:     &magistrala.IdentityRes{UserId: client.ID},
-			retrieveByIDResponse: client,
-			err:                  users.ErrPasswordFormat,
-		},
 		{
 			desc:                 "reset secret with failed to update secret",
 			token:                validToken,