FBI warns US users to protect themselves against Russians hackers who have compromised hundreds of home and office routers

Reuters
The Russian computer hackers could collect user information or shut down network traffic. FBI has urged the owners of routers take protective measures.

The >FBI warned on 25 May that Russian computer hackers had compromised hundreds of thousands of home and office routers and could collect user information or shut down network traffic.

The US law enforcement agency urged the owners of many brands of routers to turn them off and on again and download updates from the manufacturer to protect themselves.

The warning followed a >court order on 23 May that allowed the FBI to seize a website that the hackers planned to use to give instructions to the routers. Though that cut off malicious communications, it still left the routers infected, and Friday's warning was aimed at cleaning up those machines.

Infections were detected in more than 50 countries, though the primary target for further actions was probably Ukraine, the site of many recent infections and a longtime cyberwarfare battleground.

In obtaining the court order, the Justice Department said the hackers involved were in a group called Sofacy that answered to the Russian government.

Sofacy, also known as APT28 and Fancy Bear, has been blamed for many of the most dramatic Russian hacks, including that of the Democratic National Committee during the 2016 US presidential campaign.

Earlier, >Cisco said the hacking campaign targeted devices from Belkin International's> Linksys, MikroTik,> Netgear Inc, TP-Link and QNAP.

An FBI official told Reuters that the kinds of devices known to be affected by the hack were purchased by users at electronic stores or online.

However, the FBI was not ruling out the possibility that routers provided to customers by internet service companies could also be affected, the official added.

Cisco shared the technical details of its investigation with the US and Ukrainian governments. Western experts say Russia has conducted a series of attacks against companies in Ukraine for more than a year amid armed hostilities between the two countries, causing hundreds of millions of dollars in damages and at least one electricity blackout.

The Kremlin on Thursday >denied the Ukrainian government's accusation that Russia was planning a cyber attack on Ukrainian state bodies and private companies ahead of the Champions League soccer final in Kiev on Saturday.

"The size and scope of the infrastructure by >VPNFilter malware is significant," the FBI said, adding that it is capable of rendering peoples' routers "inoperable."

It said the malware is hard to detect, due to encryption and other tactics.

The FBI urged people to reboot their devices to temporarily disrupt the malware and help identify infected devices.

People should also consider disabling remote-management settings, changing passwords and upgrading to the latest firmware.

Also See: US to seek control of infected routers to curb alleged Russian cyberattack on Ukraine

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