Follow CERT-In instructions on WannaCry attack: RBI to banks

The WannaCry attack, which hit 200,000 computers across 150 countries, appeared to slow yesterday. On Tuesday, the ransom doubled from $300 to $600, and the tally of WannaCry victims had reached more than 374,000 computers.

In April, the Shadow Brokers leaked several cyber weapons online after reportedly hacking the NSA's Equation Group. A message then popped up demanding money while holding the computer hostage.

The Department of Homeland Security began an "aggressive awareness campaign" to alert industry partners to the importance of installing the Microsoft patch shortly after it was released in March, an agency official working on the attack said.

The badly affected National Health Service said seven out of 47 trusts that were hit were still facing serious issues.

In the United Kingdom, hospitals were crippled by the cyberattack, which forced operations to be canceled and ambulances to be diverted.

Anyone who hasn't updated their Windows PC recently. Once the hackers were in, they could control everything stored on your computer.

Computer giant Microsoft said the attack, which has affected hundreds of thousands of computers, should serve as a wake-up call. His advice to companies: install the latest operating system updates, secure your internal network, and - most importantly - back up everything. He estimates Microsoft will generate earnings-per-share of $3.35 in fiscal 2018 compared to the Wall Street consensus of $3.31. Back up your data on an offline hard drive. 4.

The hackers remain anonymous for now, but it appears that they are amateurs. Then, a 22-year-old security researcher in the United Kingdom who's known by the pseudonym MalwareTech discovered that WannaCry was reaching out to a specific web address every time it infected a new computer. And it's possible the attackers behind WannaCry are already working on a new version without a kill switch.

"We believe the recent ransomware attack could accelerate the Windows upgrade cycle for enterprises, which would drive further upside to Office 365 Commercial MAUs [monthly active users] beyond what is now factored into our estimates", he added.

Computers and networks that hadn't recently updated their systems are still at risk because the ransomware is lurking.

Experts say the spread of the virus had been stymied by a security researcher in the United Kingdom hackers have issued new versions of the virus that cyber security organizations are actively trying to counter and stamp out.

The head of Microsoft has called on governments to stop stockpiling software vulnerabilities, after claiming that Friday's global cyber-attack exploited information stolen from the US National Security Agency.

  • Arturo Norris