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Week in review: Salesforce and ServiceNow portals exposed for 17 months, exploited Metabase 0-day
Weekly digest: exploited Metabase zero-day breached Framework; Salesforce/ServiceNow portals read for 17 months; Microsoft patched 400+ flaws.
Help Net Security's week in review aggregates top stories: a 'City-Forum' campaign tracked by Reco has been pulling records from Salesforce and ServiceNow portals worldwide for 17 months, and Framework suffered a breach via an exploited Metabase zero-day exposing customer contact and IP data. It also covers Microsoft's August 2026 Patch Tuesday fixing 400+ flaws including exploited zero-day CVE-2026-68820, Cisco's fix for exploited firewall DoS bug CVE-2026-20349 (added to CISA KEV), and a second N-able N-central hotfix for actively exploited CVE-2026-18577. Other items include GitHub expanding Dependabot malware alerts to eight package ecosystems and EU AI Act enforcement beginning on 2 August 2026.
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100-plus companies call for ‘global surge’ in AI
OpenAI, Anthropic, Google, Microsoft, AWS and 100+ organizations sign open letter urging a 'global surge' in AI-powered cyber defenses.
More than 100 companies including OpenAI, Anthropic, Google, Microsoft, AWS, Capital One, Mastercard, CrowdStrike, Palo Alto Networks and Proofpoint signed an open letter published Thursday calling for accelerated cybersecurity defenses as AI capabilities advance. The letter argues a shrinking 'defenders' window' exists to fix accumulated weaknesses such as excessive permissions, misconfigurations and unpatched legacy systems before AI-enabled attacks grow more widespread. It asks governments to coordinate cross-border defense and fund protection of critical infrastructure, and asks frontier AI labs to provide model access, funding and support. It references a June US executive order creating the Gold Eagle AI threat-sharing clearinghouse.
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Weekly Cybersecurity Newsletter – Top 50 Biggest Cybersecurity Stories of the Week
GBHackers weekly digest rounds up 50 stories including Microsoft's 973-CVE patch drop, exploited Cisco FMC flaws, and Claude agent attacks.
GBHackers' September 7-12, 2026 newsletter summarizes the 50 biggest cybersecurity stories of the week. Highlights include Microsoft patching a record 973 CVEs with two exploited zero-days, active exploitation of Cisco FMC, Check Point VPN and Ivanti flaws, China-linked crews chaining Chrome and Windows zero-days, AI agents mass-exploiting PaperCut to compromise 440 servers, and the emergence of Panzer cross-platform ransomware. It also covers Anthropic and OpenAI agentic AI incidents and CrowdStrike's SafeMind launch.
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Security Affairs newsletter Round 594 by Pierluigi Paganini – INTERNATIONAL EDITION
Weekly Security Affairs newsletter aggregates top stories including Cisco FMC exploitation, Qilin ransomware, Chrome zero-days, and Berlin leak.
Pierluigi Paganini's Security Affairs newsletter Round 594 (International Edition) rounds up the week's security headlines. Topics include attackers exploiting a critical Cisco FMC flaw to deploy Qilin ransomware, SonicWall mass exploitation linked to a UK council attack, multiple CISA KEV additions, Chrome zero-days used by four nation-state actors, a $320 million Liquid Network theft, and a Berlin ransomware data leak. It also covers AI security items such as agent sandbox failures and distillation campaigns by Chinese AI firms.
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Why judgment is emerging as cybersecurity’s defining skill
CyberScoop op-ed argues CISOs should grant AI autonomy based on reversibility and blast radius rather than model confidence, and measure analyst overrides of AI recommendations.
A CyberScoop op-ed contends that as AI takes over analysis and recommendations in security operations, human judgment about context, reversibility and blast radius becomes the defining skill. The author argues autonomy decisions should rest on how reversible and impactful an action is rather than model confidence, citing examples such as patching vendor-certified medical devices and a service account whose 3 a.m. login spikes were normal quarterly-close activity. It also urges leaders to measure analyst approvals, edits and rejections of AI recommendations, and review latency, instead of automation rates or mean time to resolution.
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The Collective Cyber Defense letter wrote your next vendor questionnaire
Op-ed argues the 200-company Collective Cyber Defense letter's three endorsed metrics should become standard vendor procurement questions.
More than 200 companies including Microsoft, Google, AWS, CrowdStrike, Anthropic and Okta signed an August 27 open letter calling for faster cyber defenses against AI-enabled attacks. The letter endorses three measurable metrics: coverage, containment speed, and verified remediation. The author turns those into five concrete procurement questions buyers should pose at vendor renewals, while noting the letter contains no deadlines, dollar figures or measurable targets.
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Window to Tackle Surge in AI-Enabled Cyber Attacks Narrowing, Tech Giants Warn
Over 100 companies including OpenAI, Anthropic, Google and Microsoft warn the window to counter AI-enabled cyber attacks is narrowing, urging collective action.
More than 100 technology companies, including OpenAI, Anthropic, Google and Microsoft, have warned that the window to prepare for a surge in AI-enabled cyber attacks is closing. The coalition urges collective action to unlock AI's power to protect critical public services. The statement amounts to industry advocacy rather than a concrete funded commitment.
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Sequoia doubles down on Cymphony as AI agents create new enterprise security risks
Cymphony emerges with $30M from Sequoia and SMBC to give security teams unified visibility into AI agent and non-human identities.
Cymphony, a New York- and Tel Aviv-based startup, raised a $25 million Series A co-led by Sequoia and SMBC Fin Atlas Beyond Fund, valuing it above $100 million. Its platform builds a "workforce graph" unifying identity, data, and activity signals for employees, AI agents, and other non-human identities. The company says it found roughly 85,000 files exposed to AI tools at one US public company and reached seven-figure ARR in its first year of sales with customers including KKR and Syngenta. Sequoia previously led its undisclosed seed round, betting on Israeli Talpiot program alumni founders.
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HiddenLayer nabs $100M as enterprises rush to secure their AI deployments
AI security startup HiddenLayer raised a $100 million Series B led by Delta-v Capital as enterprise spending on securing AI deployments accelerates.
HiddenLayer, which protects AI models, agents, and workflows from adversarial attacks, vulnerabilities, and code injections, raised a $100 million Series B led by Delta-v Capital with participation from Ten Eleven Ventures, Morgan Stanley, Microsoft's M12, and Booz Allen Hamilton. The company says annual recurring revenue grew more than 10x to the tens of millions of dollars, with customers including the Department of Defense, the intelligence community, and a frontier model provider with over 700 million weekly users. Gartner estimates enterprise spending on AI security products will reach $2.83 billion in 2026, up 83% from 2025, and nearly $4.78 billion next year.
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Week in review: Compromised Zimbra servers, previously patched Citrix NetScaler flaw exploited
Help Net Security's weekly digest highlights 274 compromised Zimbra servers, Gitea and Citrix NetScaler KEV additions, a PaperCut zero-day, and a suspected Iran-linked power plant attack.
The roundup reports at least 274 internet-facing Zimbra instances compromised via CVE-2026-73570, critical Gitea CVE-2026-60004 added to CISA's KEV catalog after exploitation began, and previously patched Citrix NetScaler flaw CVE-2026-8452 exploited in the wild. It also covers PaperCut NG/MF zero-day attacks, a suspected Iran-linked shutdown of a UK power plant, an FBI seizure of domains tied to a China-linked group that hit NASA, DOJ and the Senate, a cyberattack disrupting Boston Scientific, and the Manchester Airports Group breach. Additional items include Chameleon SEO poisoning phishing, Android car head unit proxy botnet malware, ReliaQuest social engineering by ShinyHunters, fake OpenAI Codex macOS malware, and AI-related workforce and supply chain interviews.
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Security Affairs newsletter Round 590 by Pierluigi Paganini
Weekly Security Affairs newsletter roundup aggregating top cybercrime, malware, APT and AI security stories including ExfilSquad, Kimwolf v7 and Kimsuky AI use.
This is the Round 590 weekly newsletter from Security Affairs, linking to the week's major stories rather than reporting a single incident. Headlines include ExfilSquad extortion, a 7.3M chess.com record leak, Kimwolf botnet v7, SharePoint exploitation after a public PoC, Kimsuky integrating AI, and China-linked autonomous-style attacks. It is a digest and promotional item with no standalone technical details.
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Security through obscurity is dead, and AI delivered the fatal blow
AI agents are killing security through obscurity, accelerating vulnerability discovery and patch-gap exploitation, experts warn, with OT/ICS systems most at risk.
An opinion/analysis piece arguing AI has made security through obscurity obsolete, citing record vulnerability disclosure volumes after Microsoft's Patch Tuesday addressed 974 CVEs. FBI Cyber Division assistant director Brett Leatherman said latest AI models found significant vulnerabilities in open source libraries running on most web servers. The article cites at least four espionage crews (most suspected China-linked) exploiting Chromium's patch-gap window with a rapid exploit kit, and a five-agency advisory on AI-generated exploitation scripts breaching internet-exposed Siemens S7 Series PLCs at water, manufacturing, and energy facilities. Experts including John Hultquist, Chris Inglis, and Katie Moussouris warn AI erodes the expertise barrier protecting obscure OT/ICS systems while defensive AI patching lags, with studies showing AI-generated patches fail more than half the time.
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Cliff Stoll’s DEF CON Talk
Schneier on Security posts about Cliff Stoll's DEF CON talk; the visible text provides no substantive details about its content.
Schneier on Security published a brief post referencing Cliff Stoll's talk at DEF CON. The available text consists almost entirely of standard blog navigation, author biography, and archive listings, with no concrete details about the talk itself. As a general security-community item, it carries no direct risk impact for defenders.
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We've got one word for it, and it's usually the wrong one
Cisco Talos's Threat Source newsletter critiques 'burnout' terminology, describing four occupational injuries, and flags a UAT-10820 WebDAV stealer campaign at a Ukrainian government organization.
Cisco Talos's Threat Source newsletter argues that 'burnout' is the wrong word for most cybersecurity occupational harm, distinguishing exhaustion, secondary traumatic stress, vicarious trauma, and moral injury based on clinical literature from trauma-exposed professions. The featured disclosure describes a complex WebDAV infection chain found at a Ukrainian government organization, attributed with moderate confidence to the Russian-tracked actor UAT-10820 and assessed as an opportunistic cryptocurrency and credential-stealing operation. The campaign delivers the Amatera stealer alongside ZigCryptoStealer and NetSupport Manager, abusing BNB Smart Chain bulletproof hosting, fake CAPTCHA prompts, a vulnerable driver to kill EDR, and rundll32.exe execution of disguised DLLs with ordinal calls. Weekly headlines also cover a Microsoft Defender 'ShieldCrash' zero-day exploit released after September 2026 Patch Tuesday, a North Korean Linux espionage toolkit backdooring HAProxy, and a multi-hop Google-domain redirect phishing campaign.
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