" respite was thanks to a sloppy bit of programming from the worm's creator, who'd left a killswitch in the code: newly infected systems checked to see if a certain domain (iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com) existed before attempting to spread the infection; by registering this domain, security researchers were able to freeze the worm.The respite was thanks to a sloppy bit of programming from the worm's creator, who'd left a killswitch in the code: newly infected systems checked to see if a certain domain (iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com) existed before attempting to spread the infection; by registering this domain, security researchers were able to freeze the worm.
But a day later, it's back, and this time, without the killswitch. Security researchers running honeypots have seen new infections by versions of the worm that can spread even when the iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com domain is live."
"Senior executives at Uber ordered the use of a "kill switch" to prevent police and regulators from accessing sensitive data during raids on its offices in at least six countries, leaked files reveal.
The instructions to block authorities from accessing its IT systems were part of a sophisticated global operation by the Silicon Valley company to thwart law enforcement."