Glossary
DoS
Denial of Service — An attack that attempts to make a system, service, or network unavailable to legitimate users, typically by overwhelming it with traffic or exploiting a resource-exhaustion flaw, from a single source. A DDoS attack pursues the same goal from many distributed sources simultaneously.
Recent coverage mentioning DoS
Securing Windows Named Pipes: Mitigating Local Privilege Escalation
Unsecured Windows named pipes pose significant local privilege escalation risks. Learn to secure IPC by verifying identity and validating input.
CVE-2026-20349: Cisco ASA/FTD DoS Vulnerability Under Active Exploit
CISA warns of active exploitation of CVE-2026-20349, a heap inspection vulnerability causing DoS in Cisco ASA and FTD devices.
CVE-2026-53413: Zoom Zero-Click RCE – Patch Now
Zoom patches CVE-2026-53413, a critical zero-click RCE in its annotator function, affecting all clients. Immediate patching is advised.
NatJack Attacks: Exploiting NAT Trust in Windows, Linux, macOS
Synack's research reveals NatJack attacks, a new class of NAT exploitation affecting Windows, Linux, and macOS, leveraging trust assumptions.
Bendix EC80 Hidden RCE and DoS Flaws in Brake Controllers
NMFTA reveals Bendix EC80 heavy-truck brake controllers fixed critical, wirelessly reachable remote code execution and DoS flaws in a safety recall.
HollowByte DDoS: OpenSSL Memory Exhaustion via 11-byte Payload
HollowByte enables unauthenticated DoS on OpenSSL servers, depleting memory with an 11-byte payload. Understand the impact and mitigation.
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