BATH, UK - More than 4,000 web backdoors that had been abandoned but were still active with live malware were hijacked and their communication infrastructure sinkholed – a term used to describe the process of redirecting malicious traffic to a DNS sinkhole – after web security researchers registered numerous expired domains, preventing them from being used by hackers and cybercriminals. A backdoor is a covert method of bypassing normal authentication or encryption in a … [Read more...]