Security experts say a sharp increase in ransomware attacks is in part a result of how easy the malware is to acquire.
Researchers at Cylance and AlienVault were able to find off-the-shelf ransomware using a normal search engine, which could then be used to lock victims’ computer files and blackmail them.
This week BBC News is taking a close look at all aspects of cyber-security. The coverage is timed to coincide with the two biggest shows in the security calendar – Black Hat and Def Con.
We will have further features and videos on Wednesday, and then coverage from the two Las Vegas-based events over the following days.