Welcome to Network Engineering Community News – End of Year 2025
Hello from all of us at FastNetMon, your trusted partner in DDoS detection and mitigation. While the year is coming to a close, December was far from quiet in the network security field. In this issue, we cover some of the key activities from the past month and take a look back at the year in DDoS defence. We hope you find it a useful and informative read.
Want this letter straight to your inbox? Sign up to our monthly Network Engineering Community News here.
Year 2025 in Network Security
2025 was a busy year. DDoS records were broken seven times, new hyper-scale botnets emerged, and the landscape evolved faster than ever. We covered over 120 of the most important stories in the industry — now, here’s a recap of what YOU found most interesting. Enjoy!
DDoS Defense by Design
Architecture that survives when everything else fails
Herve Hildenbrand walks us through a high-stakes DDoS scenario where solid network architecture made the difference between an outage and staying online. Republished on our blog with the author’s permission.
Case study
How Bangladesh’s leading ISP solved DDoS detection and mitigation
At Bangladesh’s leading ISP, their NOC/SOC team built custom FastNetMon workflows with per-host thresholds, deterministic rules, and automated scrubbing-centre diversion—no magic buttons, just full control.
FastNetMon featured in Fortune
We highlight why compromised devices powering today’s botnets are putting global networks under pressure—and why rapid detection and mitigation are now critical. Proud to see this conversation reaching a wider audience.
Industry news
Here are some interesting industry takes and major DDoS incidents from December 2025. Happy reading!
Kimwolf, a massive botnet likely linked to Aisuru, has been observed at a million-device scale with highly resilient DDoS infrastructure. Read more here.
La Poste confirmed a pre-Christmas DDoS attack that disrupted postal and banking services during peak delivery season. Read the full story here.
A new record-breaking DDoS attack has been confirmed, with the Aisuru botnet peaking at 29.7 Tbps in 69 seconds. Read the full story here.
Solana reported stable network operation during a week-long DDoS attack peaking near 6 Tbps. Read the full story here.
💌 Get this newsletter straight to your inbox
Sign up to our monthly Network Engineering Community News here.