Marcus Hutchins, also known as "Malware Tech", accidentally triggered a "kill switch" that helped in stopping the "WannaCry" ransomware attack from spreading further, telegraph.co.uk reported on Monday.
It took Hutchins just a few hours to stop the breach but that had, by then, spread and crippled the NHS.
Hutchins was in his bedroom when he accidentally stopped the attack.
"I will confess that I was unaware registering the domain would stop the malware until after I registered it, so initially it was accidental," @MalwareTechBlog tweeted.
The self-taught tech savy is believed to be living in south-west England.
Hutchins joined a Los Angeles-based "private intel threat firm" a year ago.
He said in a blog that he purchased a web domain for ?8 and redirected it elsewhere to stop the ransowmware attack.
"My job is to look for ways we can track and potentially stop botnets (and other kinds of malware), so I'm always on the lookout to pick up unregistered malware control server (C2) domains," Hutchins noted on his blog.
He has also told how he shunned university and instead self taught himself sophisticated hacking techniques.
"I had planned to go to university but ended up getting offered a job in security a year prior, so I took it. I'm completely self-taught so in hindsight university would probably not have been worth the time or money," The Guardian quoted Hutchins as saying.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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