Hundreds of thousands of computers in more than 150 countries have been hit by the ransomware attack, which has been described as the largest-ever of its kind.
The attack began Friday and struck banks, hospitals and government agencies among a variety of other targets, exploiting known vulnerabilities in older Microsoft computer operating systems.
"As for the source of these threats, Microsoft's leadership stated this directly, they said the source of the virus was the special services of the United States," Putin said.
"This completely doesn't concern Russia," Putin added on the sidelines of an international summit in Beijing.
The US has accused Russia in the past of mounting several cyberattacks.
In March the Justice Department indicted two officials of Russia's Federal Security Service and two criminal hackers whom they allegedly hired to steal data from some 500 million Yahoo user accounts.
The fast-spreading malware called "WannaCry," is the first ever detected to combine both a worm -- which enables it to burrow into an entire network from a single infected computer -- and ransomware, demanding $300 (275 euros) in the virtual currency Bitcoin to unlock systems.
"There is nothing good in this and calls for concern," he said.
"A protection system from these manifestations needs to be worked out.
Disclaimer: No Business Standard Journalist was involved in creation of this content
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
