Over the weekend, a massive ransomware attack dubbed WannaCry, or WanaCrypt0r 2.0 victimized thousands of computers globally. The ransomware infected a few computers, including those in the Nagpur police department and a few other district-level field offices, officials said. That's why it's called ransomware.
The software tools to create the attack were revealed in April among a trove of NSA spy tools that were either leaked or stolen.
On Monday the total value of funds paid into anonymous bitcoin wallets the hackers are using stood at just $US55,169, from 209 payments, according to calculations made by Reuters using publicly available data.
Those vulnerabilities are safeguarded by a Windows update Microsoft released in March, and another one released Friday. In some cases, the Windows is running on machines with legacy applications that won't run on an updated system. "So they no longer get the security updates they should be". Playing with fire finally caught up with the victims.
But consumers also can not be complacent, Smith warned. Microsoft even released patches for computers still running on Windows Server 2003, Windows 8 and Windows XP but the patches will not help if the computers are already infected. It's affecting National Health Service (NHS) computers in England and Scotland, according a report by The Guardian.
Britain first raised global alarm when it caused hospitals to divert ambulances on Friday.
Weidman said that the best way to protect industrial systems that can't be updated is to place them on isolated network segments that don't have direct access to the Internet.
Apple's Mac computers were not targeted by this ransomware attack so are clear.
The WannaCry worm has affected more than 200,000 Windows computers around the world since Friday, disrupting vehicle factories, global shipper FedEx Corp and Britain's National Health Service, among others. Install Microsoft's patch. 3. Note this means that the backup can't be on your computer but should be in the cloud or on an external hard drive. Microsoft was under no legal obligation to do this, mind you, since it no longer supports Windows XP - after having extended its product lifecycle several times in the past.
Experts said the ransomware programme appears to support dozens of languages, showing that the hackers wanted to corrupt networks worldwide.
Apple is not invulnerable to ransomware attacks, "a common misconception", one expert tells CNBC.
Digital Trends Senior Editor Matt Smith told KOIN 6 News these types of attacks can be devastating.
Jan Op Gen Oorth, spokesman for the Netherlands-based Europol, said the number of individuals who have fallen victim to the cyberextortion attack could be much higher.
"I'm anxious about how the numbers will continue to grow when people go to work and turn on their machines on Monday", he said. The thawing may be partly credited to a 22-year-old researcher who found a "kill switch" that slows the spread of the virus by simply registering a website name, the Wall Street Journal reported.
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