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Between May 9 and May 18, 2026, GreyNoise observed a major spike in scanning of SonicWall SonicOS management interfaces. The May 12 peak of about 597,000 sessions was the largest single-day total on the SonicWall SonicOS API Scanner tag in 90 days, roughly 46x the typical daily volume. Earlier spikes on this tag (January 18, January 30 an…
GreyNoise analyzed 147.8 million sessions over 103 days across 276 vendor-specific tags covering 18 network infrastructure vendors. It found that surges in scanning and exploitation activity regularly precede vendor advisories. Of 104 detected surges, 68 preceded a vendor-matched CVE (33 vulnerabilities across 16 vendor families), with a …
GreyNoise reports that 21 IP addresses in AS213438 (registered to ColocaTel Inc., Mahe, Seychelles) produced 1,856,167 of 2,753,274 global RDP Crawler sessions on April 7, 2026, or 67.4% of the worldwide total. Over April 5-7 the same fleet accounted for 49.7% of global RDP Crawler activity. All 21 IPs are geolocated to the Netherlands, w…
GreyNoise analyzed 4 billion sessions targeting edge infrastructure over 90 days and concluded that IP reputation feeds are structurally ineffective against residential proxy traffic. Attackers route scanning and reconnaissance through compromised home broadband, mobile and small-business connections, so source IPs look like legitimate us…
GreyNoise observed automated scanners impersonating the web crawlers of OpenAI, Anthropic, Google, Perplexity, DeepSeek and Amazon while requesting environment files, cloud access keys, private keys and password stores. A cluster of 13 forged AI crawler names from eight companies was seen; six names (belonging to Anthropic, OpenAI, Google…
F5 Labs reports a scanning campaign observed on its Honeynet in March 2026. It recorded 1,897 session-grouped attempts (2,821 raw events) tied to CVE-2018-14028, a WordPress 4.9.7 unrestricted file upload flaw, and the CVE entered the monthly top 10 after being absent in February. Instead of exploiting the upload flaw, the operator probes…
In late August 2026, Sekoia's TDR team observed an attacker compromise an unauthenticated Flowise honeypot (emulating v2.2.8). The attacker harvested stored credentials, tried to plant a malicious chatflow with a callback to 154.217.251.226, and used prompt injection to turn the LLM agent into an offensive analysis assistant. The activity…
F5 Labs honeynet telemetry shows overall hostile activity rising 55.5% month over month in June 2026, a return to the levels of the earlier-year spike. Highlighted is CVE-2024-44000, an unauthenticated account takeover flaw (CVSS 9.8, CWE-522) in the LiteSpeed Cache WordPress plugin, which rose by 1,128 to 2,603 attacks (8). Scanning is i…
Unit 42 investigated a months-long intrusion against a European bank, which began with unauthorized VPN-based access through a third-party-managed external gateway appliance that did not enforce strict authentication. Using compromised credentials, the attacker ran noisy, high-volume internal reconnaissance and brute-force campaigns again…
ESET's WeLiveSecurity warns that AI and large language models (LLMs) now automate OSINT reconnaissance at machine speed. Profiling that once took a skilled attacker hours or days can be done by low-skill actors, so ordinary internet users are now economically viable fraud targets. Fraudsters can collect public information at scale, includ…
