threat-intel ThreatsDay: AI-Powered Hacking, 370 Chrome Flaws, SonicWall Attacks, DNS Hijacking + 22 More Stories This week’s ‘ThreatsDay’ bulletin highlights a diverse range of security threats, including AI-powered hacking campaigns, ransomware attacks targeting Russia, and vulnerabilities in various software systems. Notably, a C… The Hacker News · Jul 30, 2026 High CVE-2026-33017CVE-2026-21858CVE-2025-68613RUCCHransomwaresupply chainphishing
threat-intel Russian spies take their half-click email attack from Zimbra to Outlook Russian intelligence operatives are leveraging a phishing campaign mimicking Signal support to trick users into revealing sensitive information. This tactic has expanded beyond Zimbra to now target Outlook users, highlig… The Register · Jul 30, 2026 High CVE-2026-42897RUCHphishingsocial engineeringrussian threat actor
threat-intel Word worm crawls into Copilot, spreads chaos A group of Russian hackers are impersonating Signal support to launch phishing attacks, targeting users with links to malicious websites. Simultaneously, a zero-day vulnerability in on-prem SharePoint is being exploited,… The Register · Jul 29, 2026 High RUIRphishingzero-daysharepoint
threat-intel Laundry Bear’s webmail hackers had more in store after February, report says Laundry Bear, a Russian state-linked APT group, has been aggressively exploiting vulnerabilities in both Zimbra Collaboration Suite’s webmail platform and Microsoft Outlook Web Access (OWA) to steal emails and credential… The Record · Jul 29, 2026 High CVE-2026-42897NLUSRUaptvulnerabilityzero-day
threat-intel Nine-Year Fraud Campaign Clones Russian Company Sites to Steal Advance Payments A nine-year-old fraud campaign, originating in 2017, has been uncovered by cybersecurity firm F6, involving the creation of clone websites mimicking major Russian companies to steal advance payments from international cl… The Hacker News · Jul 29, 2026 High RUAZfraudclone websiteadvance payment
threat-intel Russia accuses Telegram founder of aiding terrorism, seeks international arrest Russia has formally accused Telegram founder Pavel Durov of aiding terrorism, seeking an international arrest warrant due to allegations that the messaging app was used by Ukrainian intelligence to organize terrorist att… The Record · Jul 29, 2026 High RUUKFRrussiatelegramukraine
threat-intel Russia Charges Telegram Founder Pavel Durov With Aiding Terrorist Activity Russia has charged Telegram founder Pavel Durov with aiding terrorist activity, alleging that the platform was used by Ukrainian special services and terrorist organizations to plan attacks and facilitate cybercrime with… The Hacker News · Jul 29, 2026 High RUUArussiaukraineintelligence
threat-intel MCP gets an enterprise makeover This article covers a range of cybersecurity and technology news, including a vulnerability impacting Joomla extensions, a Microsoft SharePoint zero-day exploit, and a Russian phishing campaign mimicking Signal support.… The Register · Jul 28, 2026 Medium USIRRUvulnerabilityphishingransomware
threat-intel Google Adopts New Threat Actor Naming System Google is implementing a new naming system for tracking threat actors, moving away from numerical identifiers and adopting two-word cryptonyms to improve threat intelligence management. This shift aims to simplify tracki… SecurityWeek · Jul 28, 2026 Info CHIRNOthreat actorcryptonymthreat intelligence
threat-intel Outdated VPNs should be purged from federal agencies, senator says Senator Ron Wyden is urging federal agencies to remove outdated and insecure VPNs from their systems, citing a growing threat of foreign adversaries exploiting these vulnerabilities to gain access to sensitive U.S. gover… The Record · Jul 27, 2026 High RUCHvpnzero-trustremote access
threat-intel FBI: Breaking Affiliate Trust Sped Along LockBit's Takedown The FBI, in collaboration with international law enforcement agencies, successfully dismantled LockBit, one of the most prolific ransomware-as-a-service (RaaS) groups, through Operation Cronos. The operation focused on b… Dark Reading · Jul 27, 2026 High UNRUransomwareraasoperation cronos
threat-intel Hackers used Telegram phishing campaign to target exiled Belarusian activist Hackers are using highly personalized Telegram phishing campaigns targeting exiled Belarusian activists and users in Russia and Kazakhstan. The campaign leverages private messages and tailored fake login pages to steal T… The Record · Jul 27, 2026 High KZRUBYphishingaccount-hijackingtelegram
threat-intel MedusaHVNC Malware Uses Hidden Windows Desktops to Evade Detection MedusaHVNC is a sophisticated remote access trojan (RAT) sold as a service, utilizing hidden Windows desktops to evade detection and maintain a persistent presence on victims' systems. BlackFog researchers discovered the… SecurityWeek · Jul 27, 2026 High RUrathidden desktopencryption
threat-intel Google goes it alone with a new cybercrime crew taxonomy This article is a collection of security news snippets from The Register. It highlights a Microsoft vulnerability in on-prem SharePoint, a phishing campaign impersonating Signal support, and a broader trend of increasing… The Register · Jul 27, 2026 High RUphishingvulnerabilitycybercrime
threat-intel Europol flags 4,340 'horrific' URLs linked to The Com This article is a collection of security-related news snippets from The Register. It highlights a phishing campaign targeting Signal users by Russian actors, a zero-day vulnerability in on-prem SharePoint, and a signific… The Register · Jul 24, 2026 Medium RUCHphishingvulnerabilitycybersecurity
threat-intel In Other News: Dolphin X AI-Powered Malware, Car Anti-Theft Device Hack, 400 Linux Kernel Flaws This week’s cybersecurity news highlights a range of threats, including a new AI-powered malware (Dolphin X), a data breach affecting Abbott, widespread internet outages in Maine, zero-day vulnerabilities in Siemens swit… SecurityWeek · Jul 24, 2026 High CVE-2025-40948CVE-2025-40947CVE-2025-40949GERUUNzero-dayvulnerabilityransomware
threat-intel Fake Notepad++ Plugin Delivers MATCHBOIL.V2 in UAC-0099 Attacks CERT-UA has warned of a new phishing campaign led by the UAC-0099 threat cluster (linked to Russia) utilizing a malicious Notepad++ plugin to deliver the MATCHBOIL.V2 malware. The campaign begins with a phishing email co… The Hacker News · Jul 24, 2026 High CVE-2025-66376CVE-2026-8496CVE-2025-49113RUUKALphishingmalwarevulnerability
threat-intel International alert spotlights Russia-linked attacks on Zimbra webmail Russian state-aligned hackers, operating under the APT group Laundry Bear, are targeting governmental and commercial organizations globally through zero-click phishing campaigns exploiting a vulnerability in Zimbra webma… The Record · Jul 23, 2026 High CVE-2025-66376UKRUNEzero-clickphishingzimbra
threat-intel Year-long Russian attacks infect users as soon as they look at an email Russian actors are leveraging phishing attacks, impersonating Signal support, to compromise users. This follows a broader trend of Russian state-sponsored actors targeting various systems and platforms, including exploit… The Register · Jul 23, 2026 High CVE-2025-66376RUphishingthreat-intelrussian
threat-intel Talking smack about a doctor got him access to private medical files This article is a collection of security and technology news snippets. It highlights a vulnerability impacting Joomla websites due to extension bugs, a Russian phishing campaign mimicking Signal support, and Microsoft's… The Register · Jul 23, 2026 Medium RUIRvulnerabilityphishingransomware