digital certificates

Malware & Threats

Issued by: Dark Reading

New Malware Variant Hits With Ransomware or Cryptomining

A long-known ransom Trojan has added new tactics and a new talent, according to research released by Kaspersky Labs. The Trojan-Ransom.Win32.Rakhni family has been around since 2013, but a new variant does a search of files on the victim’s system and decides whether to launch ransomware — or simply use the computer to mine cryptocurrency….

Network Security, Vulnerabilities

Issued by: CIO Security

Stop using SHA1: It’s now completely unsafe

Security researchers have achieved the first real-world collision attack against the SHA-1 hash function, producing two different PDF files with the same SHA-1 signature. This shows that the algorithm’s use for security-sensitive functions should be discontinued as soon as possible. SHA-1 (Secure Hash Algorithm 1) dates back to 1995 and has been known to be…