diff --git a/DepartmentPortal/Common/DatabaseCore/SecurityManager.cs b/DepartmentPortal/Common/DatabaseCore/SecurityManager.cs
index 8eb4076..a3cf4ac 100644
--- a/DepartmentPortal/Common/DatabaseCore/SecurityManager.cs
+++ b/DepartmentPortal/Common/DatabaseCore/SecurityManager.cs
@@ -138,14 +138,14 @@ namespace DatabaseCore
 		{
 			var passwordHash = GetPasswordHash(password);
 			using var context = DatabaseManager.GetContext;
-			var user = context.Users.FirstOrDefault(x => x.UserName == login && x.PasswordHash == passwordHash);
+			var user = context.Users.FirstOrDefault(x => x.UserName == login && x.PasswordHash == passwordHash && !x.IsDeleted);
 			await CheckUserAsync(login, user, context);
 			user.DateLastVisit = DateTime.Now;
 			user.CountAttempt = 0;
 			await context.SaveChangesAsync();
 
 			User = user.Id;
-			Roles = context.UserRoles.Where(x => x.UserId == user.Id).Select(x => x.RoleId).ToList();
+			Roles = context.UserRoles.Where(x => x.UserId == user.Id && !x.IsDeleted).Select(x => x.RoleId).ToList();
 		}
 
 		public async Task LogoutAsync()
@@ -160,7 +160,7 @@ namespace DatabaseCore
 		public async Task ChangePassword(string login, string oldPassword, string newPassword)
 		{
 			using var context = DatabaseManager.GetContext;
-			var user = context.Users.FirstOrDefault(x => x.UserName == login && x.PasswordHash == GetPasswordHash(oldPassword));
+			var user = context.Users.FirstOrDefault(x => x.UserName == login && x.PasswordHash == GetPasswordHash(oldPassword) && !x.IsDeleted);
 			await CheckUserAsync(login, user, context);
 			user.PasswordHash = GetPasswordHash(newPassword);
 			await context.SaveChangesAsync();
@@ -184,7 +184,7 @@ namespace DatabaseCore
 		{
 			if (user == null)
 			{
-				user = context.Users.FirstOrDefault(x => x.UserName == login);
+				user = context.Users.FirstOrDefault(x => x.UserName == login && !x.IsDeleted);
 				if (user != null)
 				{
 					user.CountAttempt++;