The largest processor of medical claims in the US, Change Healthcare, suffered a data breach in February that exposed the sensitive personal and healthcare information of millions of people. This has raised the risk of identity theft and other fraud, with victims already targeted by scammers claiming to be offering refunds. Change Healthcare is providing free credit monitoring and identity theft protection, but experts advise freezing your credit for ultimate safety.

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