Tag: reconnaissance

security

SANS Stormcast Friday, July 31st, 2026: Pre Botnet Recon; Cisco Backdoor Exploited; Inconsistent Group Chats

Reconnaissance First: An SSH Bot That Sizes Up Your Hardware Before Deploying a Miner https://isc.sans.edu/diary/Reconnaissance%20First%3A%20An%20SSH%20Bot%20That%20Sizes%20Up%20Your%20Hardware%20Before%20Deploying%20a%20Miner%20%5BGuest%20Diary%5D/33198 Cisco Secure Firewall Management Center Software Static Credential Vulnerability Exploited CVE-2026-20316 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-static-cred-BET3Cjh Inconsistent Group Chats https://www.usenix.org/conference/usenixsecurity26/presentation/gegenhuber https://www.heise.de/en/news/Encrypted-but-wrong-Group-chats-vulnerable-to-manipulated-content-11384112.html My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

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security

How Are You Blocking Open Source Reconnaissance Tools?

How Are You Blocking Open Source Reconnaissance Tools?Today, a large portion of internet traffic is generated by automated systems that continuously scan and interact with internet-facing infrastructure. These systems are known as reconnaissance tools, or benign scanners, and are designed to map the internet for legitimate purposes, such as security research, vulnerability discovery, and service […]

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