Detection is the act of discovering and/or determining the existence, presence, or fact of something.

learn more… | top users | synonyms

21
votes
4answers
8k views

How do you know your server has been compromised?

I recently helped a client who had their server hacked. The hackers added some PHP code into the header of the homepage redirecting the user to a porn website — but only if they came from Google. This ...
18
votes
2answers
3k views

How does a crypter for bypassing antivirus detection work?

I am talking about crypters used to encrypt files like viruses and keyloggers for the sole purpose of bypassing antivirus detection. How do they work?
4
votes
2answers
800 views

How effective is an IDS at catching targeted attacks

I have recently become very familiar with IBM Site Protector. As I understand things, Site Protector is in the top tier of IPS/IDS systems, used by some of the largest Fortune 500 companies. I was ...
2
votes
2answers
2k views

How to check if a website is sending out a virus?

I'm a webmaster at a company without much knowledge of IT Security. We are running 6 computers connected to a central server that also hosts our website. 3 out of 6 people in the office have gotten ...
1
vote
3answers
6k views

How to trace malicious hackers?

What are some of the ways law enforcement agencies can trace a hacking attempt back to the hacker? IP and MAC addresses can be spoofed easily, hackers can easily hide their tracks using compromised ...
2
votes
1answer
184 views

Can linux (be made to) detect foreign connections to the ram bus?

I've been made aware on many answers and some comments that an attacker can read memory while a system is still running by attaching some sort of connection directly to the ram bus. Can linux ...
2
votes
3answers
377 views

Repudiation in Copyright Infringement (BitTorrent)

Seeing this question : How can alleged illegal downloading be detected? sparked a question I have had for a long time. How does repudiation/non-repudiation work in such cases ? Argument: It is known ...
1
vote
3answers
689 views

How can alleged illegal downloading be detected?

Joel Tenenbaum was accused of illegally downloading 30 songs. How might his action have been detected? Can anyone show a concrete method? Update Using a honey pot or monitoring the peers list makes ...