Your firewalls can be used as a STUN DDoS reflector to attack others on the Internet. Open UDP firewall ports for STUN (Session Traversal Utilities for NAT) are being exploited for DDoS reflection. Your network is most likely one of those networks. Shadowserver now detects 101k IPv4 and 2.9K IPv6 accessible UDP STUN services. These Read More
Category: Operator’s Security Toolkit
Why are you leaving your SNMP ports open to the world?
Too many organizations are ignoring the risk of SNMP abuse and leaving their SNMP ports open to the world. Simple Network Manage Protocol (SNMP) is one of our core networking building blocks. We – the community who build and run networks – use all types of networks. It is a powerful tool for monitoring, managing, Read More
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
DDoS Resiliency Workshop – 2022
Revised, Updated, and Enhance DDoS Resiliency Workshops for Today’s Internet In the late 1990s, several people started teaching ISPs how to protect their networks from attack. These early “DDoS Resiliency Workshops” evolved in a consistent theme and method that eventually curated best common practices for DDoS resiliency. Unfortunately, the threats from attacks to Communications Services
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
How do Security Experts surf the tidal wave of security news?
Have you ever wondered what security professionals review each day? How do they keep up with the security news? What sources do they use? If you are new to security, what sources shall you track? We are overwhelmed with a deluge of cybersecurity news. In essence, we’re surfing cybersecurity news trying to keep up and Read More
1 Yottabyte DDoS Attack – The Biggest DDoS Attack in History!
No, a yottabyte DDoS attack has not happened. Someday we will have a yottabyte DDoS, just not today. Tomorrow we will have another press release on “the largest DDoS attack ever.” Will that be important? No, bragging about the size of DDoS Attacks is a distraction to the realities of the Internet and the real Read More
“Backups” will not save you from a Ransomware Incident
“What do you mean the backups don’t work? I thought you said backups would save us from a Ransomware incident?” Good backups are the #1 recommendation you will see in all “Ransomware Defence” guides. We have a problem in the industry. These “ransomware guides” are written by people who have never lived through a major Read More
US Warns Ransomware Threats during Holidays – Whoops! Too Late
If you are reading about potential ransomware threats during the holidays, just know it is too late. By the time you get a call waking you up on a labor day holiday break, it would be too late to stop the ransomware threat. People forget that ransomware is the monetization network break-in. The THREAT is Read More
“Security” is always an afterthought in the C-suite
Get around “security is an afterthought” by rethinking security as part of the business resiliency architecture. Read More