USB Stick Led to Worst Cyber Attack on U.S. Military; Russia Suspected

300 IT security professionals from across Europe are locking horns in a simulated cyber war exercise taking place today which — if it was a real attack — would be capable of disrupting services for millions of Europeans. The exercise, known as Cyber Europe 2012, is being run by ENISA: the European Network and Information Security Agency, and is part of ongoing efforts to bolster cyber

If you supply someone who supplies the government, are you the weak link in the security chain? Could your organisation be a stepping stone to an attack on a government or military target?

Hey we had a guy on here - Carvj...? and he gave a link to a site 10mins ago. Now my software said that the site was blocked because of serious problems...DO NOT HIT ACCEPT on this site GET OUT.

"This web page at www.gnulinux.in has been reported as an attack page and has been blocked based on your security preferences.

[Linux - CentOS - Apache - VPS]

Last week my servers came under a SYN Flood attack, my hosting provider took some steps and resolved the issue. One of the things that they did was turn on SYN Cookies.

begin by mentioning a few facts that can be very confusing for the die-hard fans Linux Unix. Serious computer virus first appeared in Unix systems. And perhaps the worst computer virus attack in history occurred on Unix systems about twenty years ago. The good news is that the lessons of this attack were integrated into the continuing development of Unix and Linux.

According to a U.S. survey of heart attack patients, the resumption of a normal sex life after a heart attack is highly dependent on whether their doctor discusses sex with them after their heart attack.  

My web host has informed me that my Fedora server is the source of an outbound DDoS attack on somebody. The web host didn't give any other information. How can I find out what process is doing the attack so that I can stop it?

For those of you who haven't heard about Tabnabbing, its yet another form of phishing which seems to be simpler and more effective than the usual phishing attacks you would have heard of. An important thing about this attack is that it can't be detected easily, even a smart browser and a cautious web surfer can get easily fooled, leading to information theft.

Originally I want(ed) to know how ubuntu update process is being secured against tampering ofpackages by a man in the middle. This has been this question here: Are Virus/rootkits via ubuntu updates possible? [closed]

It has been closed for being assumed to be a duplicate. Still the assumed duplicates cover some quite different topics (like how cd/flashdrive autorun etc effects safety etc.).