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Scammers are exploiting the annual Medicare Open Enrollment period (October 15 to December 7) as a pretext to impersonate insurers, agencies or Medicare itself. Contact comes by phone, SMS, email, social media and malicious Google ads that lead to spoofed, official-looking websites. Lures include plan changes, card replacement, lower prem…
Check Point Exposure Management researchers uncovered a large, multi-region phishing infrastructure that conceals active campaigns behind domains that look inactive. Root domains return blank or generic "Not Found" pages, while the phishing content is served only through concealed regional paths (for example /it, /de, /pa) and under speci…
The FBI arrested a Canadian cybersecurity executive in Pennsylvania on October 8, 2026, in connection with its investigation into the ShinyHunters extortion group. Court records point to Edward Dubrovsky, a ransomware negotiation specialist formerly of Cypfer and now associated with CyberSteward. He faces charges of conspiracy to threaten…
On October 20, 2026, Google announced new Chrome defenses for users of Safe Browsing Enhanced Protection. They include a warning against ClickFix social engineering, in which suspicious commands copied by the user are scrubbed of personal information and sent to Safe Browsing for analysis (thehackernews.com, gbhackers.com, securityweek.co…
The European Commission has opened a formal investigation under the Digital Services Act (DSA) into Booking.com, a very large online platform with more than 45 million EU users. It will examine whether the company does enough to stop fraudsters from using the platform for fake listings, impersonation fraud, phishing and smishing (theregis…
The FBI and CISA issued a joint Public Service Announcement warning that malicious cyber actors may use phishing and smishing against election officials, candidates and political organizations ahead of the 2026 U.S. midterm elections. These targets are attractive because of their access to voter registration data, current government offic…
Microsoft, working with industry partners and Japanese police, disrupted a Chinese-language phishing-as-a-service (PhaaS) ecosystem centered on Yam Store, an underground marketplace tracked as Storm-3119. The phishing kits sold there were responsible for over a billion phishing emails and texts sent to more than 75,000 organizations since…
FortiGuard Labs analyzed a Casbaneiro banking trojan campaign targeting users in Latin America. The campaign applies access restrictions at several stages to keep the malware away from analysis tools: the download page, the HTA downloader and Casbaneiro itself. Casbaneiro sends different types of stolen data to separate servers and uses a…
Trend Micro published its 2025 security predictions report, The Easy Way In/Out: Securing The Artificial Future, warning that highly customized, AI-powered attacks will supercharge scams, phishing and influence operations in 2025 and beyond. The central prediction is the emergence of malicious "digital twins": breached or leaked PII used …
Microsoft's October 2026 Patch Tuesday addresses 1,407 CVEs across 301 products and components, the largest release on record for the second consecutive month. 69 are rated critical, 1,337 important and 1 low. Two zero-days are fixed: CVE-2026-96951, a Windows Shell security feature bypass exploited in the wild, and CVE-2026-108398, a .NE…
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…
Check Point Exposure Management reports that fraudulent voter-registration messages and legitimate political outreach are converging ahead of the 2026 US midterms, making it harder for voters to tell real messages from fake ones. Between July and September, election offices in Rhode Island and Washington warned of fake emails and texts as…
Unit 42 Threat Intelligence published its overview of the top five initial access threat vectors observed in September 2026. Adversary activity relied heavily on external edge exploitation and identity compromise, with public-facing infrastructure and legitimate credential abuse as the primary footholds for intrusion campaigns. Social eng…
Proofpoint reported at its Protect 2026 conference that generative AI is removing the behavioral tells (awkward language, reused templates, repeated infrastructure) that email filters have relied on. Attackers can now produce fluent, personalized, unique messages for each recipient, which weakens behavior-only detection. The vendor cites …
A Huntress vendor blog post lists 10 endpoint security trends. It reports no specific incident, vulnerability or campaign. The themes are agentic AI and the hijacking of non-human identities, ransomware shifting to double and triple extortion, incident response (IR) readiness, EDR-to-XDR consolidation, identity-first security and zero tru…
Huntress announced general availability of the Managed ITDR Lookback feature. It reviews up to 180 days of Microsoft 365 login history for newly onboarded tenants, looking for compromises that predate monitoring. Active compromises trigger a critical Incident Report, SOC investigation and session revocation. Previously remediated ones are…
FortiGuard Labs reports an ongoing Ousaban campaign targeting the Iberian Peninsula. The actor keeps refining its delivery chain and uses geofencing and environmental checks to restrict access to the malware to the intended victims. Ousaban resolves its C2 IP through daily-changing domains and runs a traditional C2 setup as a decoy. Its l…
ESET analysis describes a two-pronged risk for small and mid-size businesses (SMBs): AI agents create new paths into business systems, while attackers use AI to add speed and scale to established threats. Between March and May 2026, ESET scanned almost 900,000 unique agent skills from popular repositories and found more than 25,000 suspic…
ESET analysis describes how modern phishing and social engineering have shed the classic tells (poor grammar, suspicious URLs, crude login pages) and increasingly target live sessions and authentication tokens rather than passwords. Cybercrime-as-a-service phishing kits and AI tooling lower the cost of tailored, rapport-building lures. Ac…
This SentinelOne weekly roundup (Week 41, 2026) covers law enforcement actions, a phishing campaign and an actively exploited vulnerability. The most urgent item is CVE-2026-21589, a critical (CVSS 9.3) unauthenticated arbitrary file access flaw in Atlassian Data Center products. Exploitation attempts began about two hours after a public …
