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countries_code:RU × latest_source_host:f5.com × limpar

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f5.com · low

F5 Labs 2026 predictions: MCP attack surface, ID-verification breaches, agentic bots, ClickFix and AI overreliance

F5 Labs published its 2026 cybersecurity predictions and scored its 2025 forecasts at 6.5/8, by its own assessment. The 2025 review cites AI-powered botnets, attacks on AI model APIs, AI side-channel attacks on cryptography, APT use of hacktivist personas, and expanded Roskomnadzor powers to isolate or reroute Russian internet traffic fro…

f5.com · exploit público critical

F5 Labs observes lone Russian IP scanning for SmarterMail CVE-2026-24423 unauthenticated RCE, a CISA KEV-listed flaw used in ransomware

F5 Labs analyzed exploitation of CVE-2026-24423, a CVSS 9.8 unauthenticated remote code execution flaw in SmarterTools SmarterMail (CWE-306). CISA added it to the KEV catalog on February 2, 2026 and notes it has been used in ransomware campaigns. Despite public write-ups, F5 sensors saw only one IP, 193.24.123.58 (ASN 200593, Russian ISP …

f5.com · medium

F5 Labs analyzes SparkRAT open-source RAT architectural weaknesses, exploits an in-the-wild C2, and releases YARA rules

F5 Labs published research on SparkRAT, a freely available, Go-based open-source Remote Access Trojan with a C2 server and builds for Windows, Linux and macOS. Public reporting since January 2023 shows use by a widening set of actors: Chinese-speaking groups, Winnti (APT41), Patchwork, TAG-100, suspected UAC-0194 against Ukraine, and Cybe…