Ransomware, a type of malware, encrypts files making them inaccessible until a ransom is paid, often in cash or cryptocurrency. Ransomware attacks, such as the WannaCry attack in 2017, can cause financial loss, information compromise, and severe operational disruptions. Prevention strategies include regular backups, software updates, employee training, network segmentation, and reliable security software. Cybersecurity is a shared responsibility and learning about ransomware is crucial for maintaining a secure online environment.
US healthcare company, Change Healthcare, has been targeted by the hacker collective ALPHV/Blackcat, which claimed to have stolen sensitive health data of millions of Americans.