For a month now, hackers have been mounting a large-scale credential stuffing attack against multiple Virtual Private Network (VPN) instances around the world. At the moment, it’s hard to say who is behind the attack, or what the motives are, but researchers have some clues. As reported by Ars Technica, Cisco’s Talos security team recently … Read more
Networking giant Cisco has warned its users of an ongoing attack against its business VPN services. In a security advisory, Cisco said it had been notified of an ongoing password-spraying attack against different third-party VPN concentrators. In this instance, it was Remote Access VPN (RAVPN) services configured on Cisco Secure Firewall that were affected. Russian … Read more
The infamous Rowhammer DRAM attack can now be pulled off on some AMD CPUs as well, academic researchers from ETH Zurich have proved. As reported by BleepingComputer, the researchers dubbed the attack ZenHammer, after cracking the complex, non-linear DRAM addressing functions in AMD platforms. For the uninitiated, the Rowhammer DRAM attack revolves around changing data … Read more