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161 casos · pág. 2/9

huntress.com · low

Huntress launches ITDR Lookback to find pre-onboarding Microsoft 365 compromises, citing three active intrusions in early testing

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…

gbhackers.com · critical

Zimbra Collaboration Suite zero-click command injection CVE-2026-73570 exploited to take over email servers

Microsoft Threat Intelligence reports active exploitation of CVE-2026-73570, a command injection flaw in Zimbra Collaboration Suite that allows unauthenticated, zero-click compromise of internet-facing email servers. Attackers deployed webshells, escalated privileges, harvested authentication secrets and staged mailbox data across organiz…

darkreading.com · high

ConnectWise disables cloud backups as attackers reportedly use its credentials to authenticate into Microsoft 365 tenants

ConnectWise has disabled its cloud backup offering amid concern for downstream managed service providers (MSPs) and their customers. Researchers say attackers authenticated into Microsoft 365 tenants using ConnectWise credentials. ConnectWise says customer impact remains unconfirmed. The available article text is limited to the headline a…

darkreading.com · medium

Researchers infiltrate Microsoft impersonation tech support scam using Russian-run TDS and thousands of abused Cloudflare links

Researchers infiltrated a large-scale tech support scam operation that impersonates Microsoft. The operation relies on a malicious traffic distribution system (TDS) run by a Russian organization. It also abuses thousands of Cloudflare links to route victims to scam content. The article snippet gives no victim counts, losses or technical i…

newsroom.trendmicro.com · low

Trend Micro 2024 Cyber Risk Report: average CRI falls to 38.4 as LockBit, RansomHub and Play lead ransomware breaches

Trend Micro published its 2024 Cyber Risk Report, based on telemetry from the Trend Vision One Cyber Risk Exposure Management platform. The average Cyber Risk Index (CRI) was 38.4 for the year, down 6.2 points from 2023, and stayed in the Medium Risk zone (31-69). Trend attributes the decline to organizations adopting proactive, risk-base…

tenable.com · exploit público high

Microsoft October 2026 Patch Tuesday fixes 1,407 CVEs, including Windows Shell MOTW bypass zero-day CVE-2026-96951 exploited in the wild

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…

sentinelone.com · high

APT29 CaptiveCrunch: LLMNR/DNS poisoning and captive-portal lures deliver CornFlake and ChocoShell; payloads blocked pre-execution

SentinelOne reports observing APT29 (Midnight Blizzard / Cozy Bear, Russia's SVR) running the CaptiveCrunch campaign, disclosed by Microsoft in July 2026, across multiple customer environments in three regions. The operation abuses captive-portal behaviour and forged name resolution to push fake browser updater downloads to roaming Window…

securelist.com · high

ValleyRAT backdoor distributed via trojanized QN Wallpaper adware installer using libcef.dll sideloading, likely Silver Fox

Kaspersky analysis of an installer first classified as adware (MD5 c24e99f9437feacaa63766a3cde3fe3d) found that it delivers the ValleyRAT backdoor. The installer drops a modified, signed Chinese wallpaper tool, QN Wallpaper, and uses it for DLL sideloading of a malicious libcef.dll. The adware's advertising function does not work. Attacke…

gbhackers.com · high

APT28 (Swallowtail) uses Hookedge backdoor and SSH tunnel in months-long intrusion at NATO shipbuilder

Swallowtail (also tracked as APT28, Fancy Bear and Forest Blizzard), a Russian espionage group linked by the U.S. government to the GRU, targeted organizations in two NATO member states. Victims included a law enforcement agency, a naval shipbuilder and a manufacturer of military aircraft engines. Symantec's Threat Hunter Team reported th…

infosecurity-magazine.com · high

OpenCode silently patched critical RCE in MCP OAuth flow on Windows/WSL (v1.0.137-1.18.32), no CVE issued

Pillar Security researcher Eilon Cohen disclosed on October 19 a critical remote code execution flaw in the open-source agentic AI coding tool OpenCode (developed by Anomaly), affecting versions 1.0.137 to 1.18.32 on Windows and WSL. A malicious remote MCP server can execute arbitrary code on a developer's machine during the MCP OAuth aut…

thezdi.com · critical

Microsoft October 2026 Patch Tuesday: record 1,415 CVEs, one exploited Windows Shell zero-day, plus 174 Adobe fixes

Microsoft's October 2026 Patch Tuesday is a record release of roughly 1,415 new CVEs, the first four-digit volume ever, larger than any previous full year of Microsoft patches. Only one flaw is under active attack: CVE-2026-96951, a Windows Shell security feature bypass that evades Mark of the Web (MotW) protections. Two others are public…

huntress.com · low

Huntress outlines 2026 threat priorities: RMM abuse up 277%, ClickFix, AI-enabled cybercrime, multi-extortion ransomware and BEC

A Huntress thought-leadership post sets out five priorities for security leaders in 2026: abuse of trusted IT tools, AI-enabled cybercrime, social engineering, multi-extortion ransomware and identity-based attacks including BEC. The article cites internal Huntress telemetry showing RMM abuse rising roughly 277% year over year, with Screen…

thehackernews.com · high

ConnectWise Cloud Backup Application Identities Compromised, Backdoored Entra Apps Seen in Microsoft 365 Tenants

ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …