How do ransomware attacks work? Hackers use malicious software to lock and encrypt the files on your computer or device. They can then hold those files hostage, disabling you from accessing your data until you pay a ransom. When you do pay, they may or may not give you a decryption key to regain access.23 Nov 2021
What was the NHS ransomware attack?
A cyber-attack that affected more than 60 trusts within the United Kingdom's National Health Service (NHS) has spread to more than 200 000 computer systems in 150 countries, including Canada. On May 12, the “WannaCry” ransomware began affecting dozens of NHS facilities. Eventually, more than 60 NHS trusts were hit.
What ransomware attack means?
Share: Ransomware is malware that employs encryption to hold a victim's information at ransom. A user or organization's critical data is encrypted so that they cannot access files, databases, or applications. A ransom is then demanded to provide access.
What is the latest ransomware attack?
- Ryuk - January 2019. Unlike most ransomware attacks that target random individuals and businesses, Ryuk ransomware was a highly targeted attack.
- PureLocker - active as of 2020.
- REvil/ Sodinokibi - April 2019.
- Jefferson County, Georgia - March 1, 2019.
- RobinHood - 2019.
Where does Ryuk ransomware come from?
Origin. Ryuk ransomware first appeared in 2018. Although initially suspected to be of North Korean origin, Ryuk has more recently been suspected of being devised by two or more Russian criminal cartels.
Who created the ransomware virus?
Popp (now known as the 'father of ransomware'). It was called the AIDS Trojan, also known as the PC Cyborg. Popp sent 20,000 infected diskettes labeled “AIDS Information Introductory Diskettes” to attendees of the World Health Organization's international AIDS conference in Stockholm.
Is Ryuk ransomware still active?
Ryuk infection continues to be an active ransomware threat and poses a significant risk to enterprise-level organizations. Research conducted by CrowdStrike discovered that $4,000,000 worth of bitcoin was sent to bitcoin wallets identified within Ryuk ransom notes.