Nikolaos Chrysaidos (@virqdroid) is head of mobile threats & security at Avast. He leads mobile security related projects, mobile threat intelligence, and threat prevention. Nikolaos’ interests include mobile forensics, malware analysis, IoT, and whatever can be reverse engineered.
A backdoor has been discovered that could allow attackers to take complete control of certain Android devices.21 November 2016 min read
A pre-installed backdoor on more than 700 Android devices transmits data to a server in China every 72 hours.18 November 2016 min read
Nearly a year after the discovery of Stagefright, Metaphor is the most recent exploit of the vulnerability to rear its ugly head.31 March 2016 min read
OmniRat is currently being used and spread by criminals to gain full remote control of devices.5 November 2015 min read
Mobile Crypto-Ransomware Simplocker now on Steroids10 February 2015 min read
Is backing up your data the same as exposing it? In this case - Yes!3 December 2014 min read