Change Healthcare has reportedly experienced a data breach, potentially compromising client information. Individuals who received a letter regarding this breach are advised to take protective measures, such as monitoring their accounts for fraudulent activity, considering a credit freeze, and subscribing to an identity theft protection service.

NSA warns that overlooked botnet technique threatens national security
The National Security Agency (NSA) has warned that fast flux, a technique used by cybercriminals and hostile nations to hide their activities, is a significant