DNS Cache Poison Attacks are Still a Risk

Nozomi Networks find an easier path for DNS Cache Poison Attacks on ICS, CPEs, and other IoT devices. Nozomi Networks disclosed long-term and persistent vulnerability with all versions of uClibc and uClibc-ng (see Nozomi Networks Discovers Unpatched DNS Bug in Popular C Standard Library Putting IoT at Risk by Giannis Tsaraias and Andrea Palanca | Read More

Bad Guys are Scanning Your Network!

Bad guys are scanning your network. They are finding all the vulnerabilities exposed to the Internet. The vulnerable systems, critical devices, and other ways to break into your network. When ransomware, malware, botnets, and other break-ins happen, people wonder, “how did the threat actors find that service?” People thought that “if we don’t publish it, Read More

Open SMTP (Email) Servers on Your Network

Do you know if you have open SMTP servers on your network? In May, Qualys released 21 vulnerabilities to Exim (see Qualys Security Advisory 21Nails: Multiple vulnerabilities in Exim). Exim is a popular Mail Transfer Agent (MTA) available on Unix operating systems and comes pre-installed on Linux distributions. The easy access and wide SMTP/Exim MTAs use Read More