There is a fine line between security and stability. So, how do you keep your IT assets running while maintaining a stringent security posture?
Last week, I attended the NotSoSecure Advanced Web Hacking training. While there were plenty of interesting topics taught, one that caught my attention was Out-of-Band (OOB) Data Exfiltration using DNS. Back in 2018, NotSoSecure published an Out of Band Exploitation (OOB) CheatSheet. In that document, they cover methods by which you can exfiltrate data. One of these uses files written to disk and multiple DNS queries to send large chunks of data.
The digital world is a vulnerable space prone to attacks of various kinds. Denial of Service is one of the regular strategy attacks used to crash any server. A DoS attack attempts to make a computer or network resource unavailable to its intended users by generating enormous traffic and costing the legitimate users valuable time and money.