26-year-old Slovenian hacker known as Iserdo stands thought to have been behind the Mariposa botnet is on trial in Slovenia, charged with having masterminded an international cybercrime gang.

At its height, the Mariposa botnet infected up to 12.7 million PCs, with more than half of the Fortune 1,000 companies believed to have been compromised, including 40 major banks. Once a computer had been compromised and brought into the botnet, operators could steal information from innocent users - including credit card details and banking passwords.

Anonymous hackers shut down the websites of Colombia's Justice Ministry website on Friday evening. The website was back online Saturday morning. Also, The website of Cambio Radical, the political party aof Interior Minister German Vargas Lleras, was hacked later Friday evening and was still showing a message saying "You have been hacked".

Payment services provider PayPal will reward security researchers who discover vulnerabilities in its website with money, if they report their findings to the company in a responsible manner. If you manage to find a security flaw in any of PayPal’s products, you may be entitled to a cash reward. "I'm pleased to announce that we have updated our original bug reporting process into a paid 'bug bounty' program," PayPal's Chief Information Security Officer Michael Barrett said in a blog post on Thursday.

Today is a great day to be a security enthusiastic since Zimperium kicked off the first ever penetration testing tournament. — Welcome to the Pentester’s Worldcup! Zimperium, a mobile security software start-up was founded by Itzhak “Zuk” Avraham, a world-renowned white-hat hacker, in 2011. The Pentester’s World Cup is part of Zimperium’s efforts to increase awareness about mobile security, and simultaneously enhance the security of its range of award-winning products.