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Anonymous White Hats out to save Web from malware


They are called white hats — the good guys in the Wild West of the Internet — and they ride to the rescue as in the case of the 22-year-old British expert who helped stop the WannaCry cyberattack.

The young cyber security researcher, known only by his Twitter handle @MalwareTechBlog, says he found a weakness by chance that allowed slowing the spread of WannaCry, a type of malware called ransomware that encrypts files on an infected computer and demands money to unlock them.

Britain’s National Cyber Security Centre  published his discovery, but also noted he was not an employee. British media reported that he is employed in a cyber security firm and that he wishes to remain anonymous. “He clearly succeeded in halting the spread” of WannaCry, said cyber security expert Marco Cova at Lastline.

According to Europol, the situation is now stable in Europe.  In China, which was also hard hit, the spread of the malware has slowed considerably according to authorities.

Contrary to the image of solitary hackers conversing through encrypted messages, the computer experts communicate most often through Twitter, according to Godier.

“All day long they analyse strains of computer viruses to see how they function” and find ways to stop them, said Godier.

“If each works in his own corner, it isn’t effective, so they share their research. And with social networks, it moves quickly.” In this case it only took them several hours to find a weakness, said Godier.

The hackers who launch attacks and the cyber security experts are in a perpetual race to discover vulnerabilities in software, which hackers will exploit to profit from while cyber security experts will develop solutions to protect their clients and the public.

In addition to the pride of a job well done, good publicity that comes from foiling a massive cyberattack can boost the reputation of white hats such as @MalwareTechBlog. The attention can also help a researcher get a job in a cyber security firm, if they don’t already have one.