The non-profit US Cyber Consequences Unit research institute estimated that total losses would range in the hundreds of millions of dollars, but not exceed $1 billion.
The company also reiterated a call it made earlier this year for an global agreement among states to shield civilians and corporate noncombatants from hacking.
But Scott Vernick, a data security lawyer at Fox Rothschild that represents companies, said he was skeptical that WannaCry would produce a flood of consumer lawsuits. The so-called "Wannacry" virus notably attacks Windows XP, which in principle has not been supported by Microsoft since 2014. Patched computers carry a much lower risk of being infected by malware or ransomware than those without an update. Indeed, security companies saw their stock price rise after news of the hack.
As MalwareTech noted in a blog post afterward, the ransomware was written to connect to an unregistered domain and "if the connection is not successful it ransoms the system, if it is successful the malware exits". Cybercriminals behind the scam are typically demanding $300 in Bitcoin to unlock a company's computers.
Most victims were quickly able to recover infected systems with backups, said the group's chief economist, Scott Borg.
"Most of the organizations won't pay", he said. They are naturally immune to such things due to their system architecture, and their open-source nature that allows anyone in the world to suggest changes. Although a researcher discovered and activated a kill switch in the original software, new versions lacking that safeguard have already been released.
Leaders around the globe responded to Friday's attacks, which hit at least 150 countries.
Computer experts say that Sri Lanka too has been affected by the WannaCry ransomware attack. The attack, which is still unfolding, is now a fight between whitehat hackers, companies like Microsoft and the criminals attempting to run the world's biggest extortion scheme.
-"Assassin" is an automated implant that provides a simple collection platform on remote computers running Windows operating system. Major institutions like universities and corporations are under threat for large scale security breaches due to the virus. "Everyone that we are talking to is treating this as a priority". Though the theft was publicly reported in April, Smith attacked the NSA for "hoarding these vulnerabilities" and failing to inform the tech giant and the public about the stolen malware beforehand.
In the wake of the recent WannaCry Ransomware cyber attacks, the Noida cyber cell issued an advisory warning the users to take necessary instructions to prevent such attacks by the malware.
Prabir Sarkar, CEO of OfficeExtract, a local distributor of Kaspersky Lab, said, "We have so far received complaints from five types of medium enterprises in the country".