Understanding getlogin spoofing
48858
Understanding getlogin()
129887
Cognito Form disabled due to suspicious content
5962
I think my PC is being hacked. What should I do?
76435
ValidateCredentials returns true for unknown user?
115853
Best way to handle security and avoid XSS with user entered URLs
103861
Login without HTTPS, how to secure?
98561
"POSSIBLE BREAK-IN ATTEMPT!" in /var/log/secure — what does this mean?
156230
How to force users to re-authenticate on specific pages?
45694
"Keep Me Logged In" - the best approach
45595
How can I detect multiple logins into a Django web application from different locations?
130491
How does hostname spoofing/customization work on IRC networks?
29610
Session hijacking and PHP
99669
How do I stop Seahorse from asking for my password multiple times on every login?
111459
Is there any way to detected the user who is "Logged in as user" using Apex
111848
Detect user logged on a computer using Java web app
151059
How to investigate Stack Overflow account hacking that resulted in answering some question inappropriately?
109989
Why would an incorrect password attempt take a lot longer to process than a correct one?