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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added half a dozen security flaws to its Known Exploited Vulnerabilities ( KEV ) catalog, citing evidence of active exploitation. The list of vulnerabilities is as follows - CVE-2026-21643 (CVSS score: 9.1) -  An SQL injection vulnerability in  Fortinet FortiClient EMS that could allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests. CVE-2020-9715 (CVSS score: 7.8) - A use-after-free vulnerability in Adobe Acrobat Reader that could result in remote code execution. CVE-2023-36424 (CVSS score: 7.8) - An out-of-bounds read vulnerability in Microsoft Windows Common Log File System Driver that could result in privilege escalation. CVE-2023-21529 (CVSS score: 8.8) - A deserialization of untrusted data in Microsoft Exchange Server that could allow an authenticated attacker to achieve remote code execution.  CVE-2025-60...

Banks and financial institutions in Latin American countries like Brazil and Mexico have continued to be the target of a malware family called JanelaRAT . A modified version of BX RAT, JanelaRAT is known to steal financial and cryptocurrency data associated with specific financial entities, as well as track mouse inputs, log keystrokes, take screenshots, and collect system metadata. "One of the key differences between these trojans is that JanelaRAT uses a custom title bar detection mechanism to identify desired websites in victims' browsers and perform malicious actions," Kaspersky said in a report published today. "The threat actors behind JanelaRAT campaigns continuously update the infection chain and malware versions by adding new features." Telemetry data gathered by the Russian cybersecurity vendor shows that as many as 14,739 attacks were recorded in Brazil in 2025 and 11,695 in Mexico. It's currently not known how many of these resulted in a su...

The U.S. Federal Bureau of Investigation (FBI), in partnership with the Indonesian National Police, has dismantled the infrastructure associated with a global phishing operation that leveraged an off-the-shelf toolkit called W3LL to steal thousands of victims' account credentials and attempt more than $20 million in fraud. In tandem, authorities detained the alleged developer, who has been identified as G.L, and seized key domains linked to the phishing scheme. "The takedown cuts off a major resource used by cybercriminals to gain unauthorized access to victims' accounts," the FBI said in a statement.  The W3LL phishing kit allowed criminals to mimic legitimate login pages to deceive victims into handing over their credentials, thus allowing the attackers to seize control of their accounts. The phishing kit was advertised for a fee of about $500. The phishing kit enabled its customers to deploy bogus websit...

Monday is back, and the weekend’s backlog of chaos is officially hitting the fan. We are tracking a critical zero-day that has been quietly living in your PDFs for months, plus some aggressive state-sponsored meddling in infrastructure that is finally coming to light. It is one of those mornings where the gap between a quiet shift and a full-blown incident response is basically non-existent. The variety this week is particularly nasty. We have AI models being turned into autonomous exploit engines, North Korean groups playing the long game with social engineering, and fileless malware hitting enterprise workflows. There is also a major botnet takedown and new research proving that even fiber optic cables can be used to eavesdrop on your private conversations. Skim this before your next meeting. Let’s get into it. ⚡ Threat of the Week Adobe Acrobat Reader 0-Day Under Attack   — Adobe released emergency updates to fix a critical...

Anthropic restricted its Mythos Preview model last week after it autonomously found and exploited zero-day vulnerabilities in every major operating system and browser. Palo Alto Networks' Wendi Whitmore warned that similar capabilities are weeks or months from proliferation. CrowdStrike's 2026 Global Threat Report puts average eCrime breakout time at 29 minutes. Mandiant's M-Trends 2026 shows adversary hand-off times have collapsed to 22 seconds.  Offense is getting faster. The question is where exactly defenders are slow — because it's not where most SOC dashboards suggest. Detection tooling has gotten materially better. EDR, cloud security, email security, identity, and SIEM platforms ship with built-in detection logic that pushes MTTD close to zero for known techniques. That's real progress, and it's the result of years of investment in detection engineering across the industry.  But when adversaries are operating on timelines measured in s...