Opera Software, the Norwegian company that makes the Opera browser was hacked on June 19th and released a statement a week later:
Opera logo copyright of opera.com
The hackers breached the company’s network and used one of its code-signing certificate (an older and expired one mind you) to digitally sign a piece of malware and package it as an update for the Opera browser.
While it is not entirely clear what happened, it would appear as though the bad guys went as far as pushing the update for a 36-minute period, meaning they had access to Opera’s infrastructure during that time.
It is very likely that you or someone you know has had one or multiple of their online accounts hacked into. It happens to everybody: individuals, small and big companies alike, can have disastrous consequences and makes you feel extremely vulnerable. In this post we will talk about some tips to give cyber-criminals a hard(er) time in their inevitable quest for easy money or their five minutes of glory. Continue reading
On March 20th, reports were circulating that a cyberattack had been conducted against broadcast networks and banks in South Korea. In typical reaction, it was suspected that North Korea may have been to blame, although no evidence has surfaced supporting this idea. However, it’s recently been reported that at least one of the bank attacks traces back to a Chinese IP address.
BBC news provided more details that same day, stating “two South Korean banks, Shinhan Bank and Nonghyup, and three TV stations KBS, MBS and YTN, all reported that their networks had suddenly shut down on Wednesday afternoon.” Continue reading
We often hear about botnets (networks of infected computers) being used to send out spam, perform Distributed Denial of Service attacks or other nefarious activities by the bad guys. Well, an unidentified researcher thought there was much more that could be done with a botnet and took on an unprecedented mission to map out the Internet by looking at how many single IP addresses were in use. An ambitious goal you might say, but considering the botnet was scanning billions of ports per hour, it provides a never-before seen view and “census” of the Internet IPv4 address space. Continue reading