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31 stories in the last 7d

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CISA Urges Organizations to Deploy Cyber Decoys to Detect Hackers Inside Networks

CISA's new guidance urges organizations to deploy cyber decoys like honeytokens and tripwires to detect attackers using valid credentials and living-off-the-land techniques.

CISA published 'Using Cyber Decoys to Strengthen Detection and Response' on September 16, 2026, advising decoy assets that appear legitimate but generate high-confidence alerts when accessed. It describes tripwires, breadcrumbs, and honeytokens such as fake usernames, passwords, API keys, and cloud access tokens, and recommends starting with low-complexity deployments like nonfunctional Active Directory accounts, decoy file shares, and isolated mimic hosts. The agency warns decoys must be segmented and nonfunctional to prevent attackers pivoting to real systems, and aligns decoy planning with MITRE Engage and ATT&CK.

GBHackers · 1h agoAdvisory

Cyber Adversary Simulation (CyAS): scheme documents now available

NCSC published adversary simulation guidance and the first Cyber Adversary Simulation (CyAS) scheme documents ahead of the scheme's November 2026 launch.

The UK NCSC released guidance on adversary simulation engagements and the first CyAS scheme documents, including the Scheme Standard and the Working Practices Document. The capability-led scheme, developed with cyber oversight bodies, will formally launch in November 2026 and assess companies seeking NCSC-assured provider status. NCSC describes the current version as a minimum viable product to be refined with feedback from buyers and providers.

NCSC UK · 2h agoAdvisory 2 sources

CISA Releases Guidance on Deploying Cyber Decoys

CISA issued guidance on deploying honeypots, honeytokens, and decoy systems to detect adversaries and gather threat intelligence in critical infrastructure.

CISA released guidance on deploying cyber decoys, including lures, tripwires, decoy artifacts, honeytokens, and honeypots, within critical infrastructure organizations to complement Zero Trust models. The guidance outlines a three-phase operational process of preparation, execution, and understanding, advising decoys be placed where users rarely interact and configured to produce high-fidelity alerts. It aims to help defenders detect adversaries who use legitimate credentials, native tools, and living-off-the-land techniques, while enabling cost-effective threat intelligence collection.

SecurityWeek · 4h agoAdvisory

ISC Stormcast For Thursday, September 17th, 2026 https://isc.sans.edu/podcastdetail/10098, (Thu, Sep 17th)

SANS Internet Storm Center published its daily ISC Stormcast podcast summary for Thursday, September 17th, 2026.

The ISC Stormcast is the SANS Internet Storm Center's routine daily podcast covering current internet security activity. The provided text contains only the podcast listing and license information, with no specific incidents, vulnerabilities, or indicators detailed.

SANS Internet Storm Center · 10h agoAdvisory 5 sources

TestFlight Update

Apple issued a routine TestFlight software update; the release notes contain no security or vulnerability details.

Apple's developer release feed lists a TestFlight update published on September 16, 2026. The available notes contain no listed CVEs, security fixes, or vulnerability information. This appears to be a routine application maintenance release for Apple's beta-testing platform.

Apple software releases · 15h agoAdvisory

CISA promotes a fresh way to deter cyberattackers: Lie to them

CISA issued first-time guidance advising critical infrastructure operators to deploy honeypots, honeytokens, and decoys to detect and distract intruders.

CISA published 'Using Cyber Decoys to Strengthen Detection and Response,' a 22-page guide marking the agency's first guidance on decoys such as honeypots and honeytokens. Acting executive director Chris Butera described decoys as a low-cost, high-fidelity way to detect adversaries already inside networks, complementing zero-trust and assume-compromise approaches. The guidance covers decoy principles, definitions, deployment scenarios, and is aimed especially at resource-constrained critical infrastructure sectors.

CyberScoop · 15h agoAdvisory

visionOS 27.2 beta (24N5088l)

Apple seeded visionOS 27.2 beta build 24N5088l to developers with no security details disclosed in the release listing.

Apple released visionOS 27.2 beta (build 24N5088l) to developers on September 16, 2026, per its software release listing. The listing contains only download links and a pointer to release notes, with no security content or vulnerability details. It is a routine developer beta with no reported exploitable issues.

Apple software releases · 19h agoAdvisory

Xcode 27.2 beta (27B5019j)

Apple released Xcode 27.2 beta build 27B5019j to developers for testing.

Apple has published Xcode 27.2 beta build 27B5019j on its developer release portal, with downloads and release notes available. The notice contains no security advisories or CVE information.

Apple software releases · 19h agoAdvisory

watchOS 27.2 beta (24S5086l)

Apple released watchOS 27.2 beta build 24S5086l to developers for testing.

Apple has published watchOS 27.2 beta build 24S5086l on its developer release portal. The listing provides download access and release notes for the pre-release update. No security content or vulnerability details are included in the notice.

Apple software releases · 19h agoAdvisory

macOS 27.2 beta (26B5086k)

Apple released macOS 27.2 beta build 26B5086k to developers for testing.

Apple has published macOS 27.2 beta build 26B5086k on its developer release portal with downloads and release notes. The notice contains no security advisories or CVE information.

Apple software releases · 19h agoAdvisory

iOS 27.2 beta (24B5084k)

Apple released iOS 27.2 beta build 24B5084k to developers for testing.

Apple has published iOS 27.2 beta build 24B5084k on its developer release portal. The listing includes download access and release notes but discloses no security fixes or CVEs.

Apple software releases · 19h agoAdvisory 2 sources

tvOS 27.2 beta (24K5088l)

Apple seeded tvOS 27.2 beta build 24K5088l to developers with no security details disclosed in the release listing.

Apple released tvOS 27.2 beta (build 24K5088l) to developers on September 16, 2026, per its software release listing. The listing contains only download links and a pointer to release notes, with no security content or vulnerability details. It is a routine developer beta with no reported exploitable issues.

Apple software releases · 19h agoAdvisory

AI agent authorization risks remain a gap in new NIST-CISA token security guidance

NIST and CISA release IR 8587 guidance on securing signed tokens, but AI agent authorization and delegation risks remain out of scope.

NIST, with CISA support, published 'Protecting Tokens and Assertions from Forgery, Theft, and Misuse' (NIST IR 8587), recommending continuous monitoring and tighter token lifecycle controls for SSO and API access. The guidance does not yet fully address AI agent identity, delegation chains, or prompt injection steering agents with valid tokens, and NIST says new or expanded standards are needed. Experts recommend treating AI agents as low-trust non-human identities, maintaining agent inventories, expiring credentials after task completion, and requiring human approval for high-risk actions. The report references shared-signal mechanisms like CAEP and RISC, and follows a May incident where a CISA contractor GitHub repository exposed AWS and GitHub tokens.

CSO Online · 20h agoAdvisory

CISA and NIST Issue Guidance to Protect Cloud Identity Tokens

CISA and NIST published Interagency Report 8587 with voluntary guidance to harden cloud identity tokens against theft, forgery, and lateral movement.

CISA and NIST released NIST Interagency Report 8587 on September 15 with final voluntary guidance for federal agencies, cloud providers, and their customers on protecting SSO, federation, and API tokens. Requirements include one-hour maximum token lifetimes, 90-day signing key rotation for high-impact systems, hardware-backed key storage, explicit audience fields, and keeping tokens out of logs. The guidance was motivated by the 2020 ADFS compromise where forged SAML assertions bypassed MFA, and an incident where a leaked consumer signing key enabled token forgery and theft of 60,000+ emails from one agency. Nearly 250 public comments shaped the text, with input from Google, Microsoft, Okta, AWS, Oracle, IBM, HashiCorp, Wiz, and the OpenID Foundation via the Joint Cyber Defense Collaborative.

Infosecurity Magazine · 22h agoAdvisory

Using Cyber Decoys to Strengthen Detection and Response

CISA released guidance on cyber decoys—tripwires, breadcrumbs, honeytokens—to help defenders detect adversaries using valid credentials and living-off-the-land techniques.

CISA published guidance to help defensive teams of varying maturity plan and implement cyber decoys—assets that mimic legitimate systems, accounts, or data, such as tripwires, breadcrumbs, and honeytokens—to detect adversaries using legitimate credentials and living-off-the-land techniques. The guidance frames decoys as complementing Zero Trust by producing high-fidelity alerts, reducing alert fatigue, and exposing post-compromise activity like discovery, lateral movement, and data access. It maps decoy operations to the MITRE Engage and MITRE ATT&CK frameworks with low-complexity implementation steps.

CISA Advisories · 1d agoAdvisory

NIST and CISA finalize playbook to stop token theft and forgery

NIST and CISA finalized NIST IR 8587, a playbook helping federal agencies and cloud providers defend identity tokens against theft and forgery.

The finalized NIST IR 8587 guidance covers protecting token signing keys, verifying tokens, lifetimes, revocation, session management, and dividing security responsibilities between cloud providers and customers. It cites an incident in which foreign actors forged tokens with a stolen commercial signing key to steal more than 60,000 emails from one government agency. It also recommends extending token protections to AI agents and preparing identity systems for a future post-quantum cryptography transition.

Help Net Security · 1d agoAdvisory 2 sources

CISA Warns Hackers Exploit 17 Active Directory Techniques to Gain Control of Enterprise Networks

CISA and Five Eyes agencies issued joint guidance detailing 17 Active Directory attack techniques like Kerberoasting and DCSync, with hardening and detection advice.

CISA, the NSA, and cyber agencies from Australia, Canada, the UK, and New Zealand released joint guidance on September 15 covering 17 techniques attackers use to compromise Active Directory, including AD CS, Certificate Services, and Federation Services attacks. Named techniques include Kerberoasting, AS-REP roasting, password spraying, DCSync, NTDS.dit dumping, Golden and Silver Tickets, Golden SAML, and Skeleton Key. Recommendations include minimizing SPN accounts, enforcing AES encryption, disabling NTLM, account lockout thresholds of five attempts, phishing-resistant MFA, and Tier 0 prioritization. The guide also lists Windows event IDs 4769, 4768, 4625, 4771, and 2889 for detecting Kerberoasting and password spraying on domain controllers.

GBHackers · 1d agoAdvisory

CISA and NIST Release Technical Checklist for Safeguarding Identity Tokens From Theft and Misuse

CISA and NIST published NIST IR 8587, final guidance for protecting identity tokens from forgery, theft, replay, and signing-key compromise.

NIST Interagency Report 8587 (September 15, 2026) expands the IA-13 'Identity Providers and Authorization Servers' control from NIST SP 800-53 R5.1.1, guiding federal agencies and cloud providers on SSO, identity federation, and machine-to-machine authentication. It requires hardware-backed signing-key storage for moderate-impact systems, 90-day key rotation for high-impact systems, token lifetimes under one hour, and sender-constrained mechanisms such as mutual TLS and DPoP. The report cites incidents including forged SAML assertions that exposed over 60,000 emails from a federal agency. It also extends guidance to agentic AI systems using signed tokens and urges post-quantum cryptography migration planning.

Cyber Security News · 1d agoAdvisory1

CISA Shares 17 Techniques Used by Hackers to Compromise Active Directory

CISA and five international agencies publish joint guidance detailing 17 techniques attackers use to compromise Microsoft Active Directory environments.

CISA, NSA, and the Australian Signals Directorate's ACSC, with contributions from Canadian, UK, and New Zealand cyber centers, released technical guidance on 17 Active Directory attack techniques. It covers AD Domain Services, AD Certificate Services, and AD Federation Services, including Kerberoasting, DCSync, Golden Ticket, Golden SAML, Skeleton Key, and Shadow Credentials. The guidance recommends treating domain controllers, CAs, AD FS servers, and Entra Connect systems as Tier 0 assets with phishing-resistant MFA, Kerberos pre-authentication enforcement, and disabling NTLM/SMBv1.

Cyber Security News · 1d agoAdvisory

Protecting Tokens and Assertions from Forgery, Theft, and Misuse: Implementation Recommendations for Agencies and Cloud Service Providers

NIST and CISA publish final interagency report with implementation guidance for protecting tokens and assertions from forgery and misuse.

CISA released a final NIST/CISA interagency report guiding federal agencies and cloud service providers on protecting identity assertions, access tokens, and cryptographic mechanisms underlying modern authentication and authorization. It addresses forgery, theft, and misuse of signed tokens that adversaries use for lateral movement and data access in hybrid and multi-cloud, SSO, federation, and API-based environments. The final version updates token validation, secrets management, and detection-at-scale guidance gathered via the Joint Cyber Defense Collaborative, and supports Executive Order 14306 and Secure by Design principles.

CISA Advisories · 2d agoAdvisory

ENISA: Frontier AI Is Changing the Speed of Cyberattacks. Europe Needs to Catch Up

ENISA warns frontier AI compresses attack lifecycles to minutes, with exploits possible within 15 minutes of disclosure and median 72-minute breach-to-exfiltration times.

ENISA's July 2026 paper 'ENISA's view on Cybersecurity in the Frontier AI Era' argues AI-assisted attackers may weaponize vulnerabilities within 15 minutes of disclosure and achieve initial-access-to-data-exfiltration in a median 72 minutes, creating a 'negative time-to-exploit' problem. The report cites one organisation whose CVE volume rose from roughly 80 in Q1 2025 to almost 500 in Q1 2026, then about 500 reports per day when frontier-AI tools were used. ENISA recommends machine-speed defence under 'Cybersecurity as Code', EPSS and VEX-based prioritisation, AI-assisted incident response with human oversight, and an assume-breached architecture.

Security Affairs · 2d agoAdvisory

App Store Connect Update

Apple issued an App Store Connect update with release notes published on its developer site.

Apple announced an update to App Store Connect, its developer tool for managing App Store submissions. No security fixes, CVEs, or notable changes were described in the announcement.

Apple software releases · 2d agoAdvisory

iOS 27.0 (24A437)

Apple released iOS 27.0 (build 24A437) with no security fixes detailed in the announcement.

Apple published iOS 27.0 (24A437) on its developer news feed. The notice only links to downloads and release notes with no security content described. iOS major-version drops commonly bundle security fixes, so release notes should be reviewed.

Apple software releases · 2d agoAdvisory 3 sources2· 1 read

macOS 27.0 (26A428)

Apple released macOS 27.0 (build 26A428) with no security fixes detailed in the announcement.

Apple published macOS 27.0 (26A428) on its developer news feed. The notice only links to downloads and release notes without describing security updates. macOS major releases typically include security fixes detailed in separate notes.

Apple software releases · 2d agoAdvisory

watchOS 27.0 (24R364)

Apple released watchOS 27.0 (build 24R364) with no security fixes detailed in the announcement.

Apple published watchOS 27.0 (24R364) on its developer news feed. The notice contains only download and release-note links with no security content described. Defenders should check the release notes for any security fixes.

Apple software releases · 2d agoAdvisory

tvOS 27.0 (24J361)

Apple released tvOS 27.0 (build 24J361) with no security fixes detailed in the announcement.

Apple published tvOS 27.0 (24J361) on its developer news feed. The notice contains only download and release-note links with no security content described. Any security fixes would be listed in the full release notes.

Apple software releases · 2d agoAdvisory

Xcode 27 (27A266a)

Apple released Xcode 27 (build 27A266a) with no security fixes detailed in the announcement.

Apple published Xcode 27 (27A266a) on its developer news feed. The notice contains only download and release-note links. No security content is described in the announcement itself.

Apple software releases · 2d agoAdvisory

Update your firewall rules: Teams and Copilot are changing address

Microsoft is redirecting Microsoft 365 and Teams web users to new *.cloud.microsoft domains, requiring firewall and proxy rule updates by early October.

Starting September 2026, Microsoft is redirecting M365 web users to copilot.cloud.microsoft and Teams web users to teams.cloud.microsoft, announced via MessageCenter posts MC1465764 and MC1462915. All redirects should complete by early October 2026, with limited Teams exceptions possible until December 31, 2026. Microsoft advises reviewing client, proxy, firewall, and secure web gateway configurations, and suggests using TenantRestrictions to control personal Microsoft account access instead of blocking the new Copilot address.

CSO Online · 5d agoAdvisory1

CISA Urges Service Providers to Provide Transparent Updates During Major IT and OT Outages

CISA and FBI issued guidance urging service providers to deliver timely, transparent communications during major IT and OT outages.

CISA, with the FBI and international partners, released 'Communicating Under Pressure: Best Practices for Service Providers', urging providers to prepare crisis-communication procedures, provide timely status updates during IT/OT outages, and maintain out-of-band communication channels. The guidance warns that disruptions to telecom, cloud, energy, and water services can cascade across critical infrastructure. It aligns with CISA's CI Fortify initiative supporting IT/OT isolation and recovery.

GBHackers · 6d agoAdvisory

Best Practices for Good Endpoint Hardening | Huntress

Huntress outlines endpoint hardening best practices, citing exposed RDP, RMM tool abuse, and ClickFix social engineering as common SMB intrusion paths.

Huntress published defensive guidance on endpoint hardening for small and mid-sized businesses, drawing on observations from its SOC. The post describes common intrusion vectors: internet-exposed RDP brute-forced by automated scanners, phishing emails delivering attacker-controlled remote monitoring and management (RMM) tools, with Huntress reporting a 277% spike in RMM abuse in 2025, and ClickFix attacks using fake CAPTCHA pages that trick users into running malicious commands. Recommended controls include scanning for exposed RDP, SSH, and VPN interfaces, removing unneeded local admin rights, enabling Windows Defender tamper protection, disabling SMBv1, and standardizing on one approved remote access tool, guided by CIS and NIST frameworks.

Huntress · 6d agoAdvisory

CISA Updates Insider Threat Guide With New Mitigation Advice

CISA updated its Insider Threat Mitigation Guide on September 9 with new case studies and guidance on hybrid work, AI and employee separations.

CISA published a revision of its Insider Threat Mitigation Guide, first issued in 2020, adding case studies, statistics and guidance for security, HR and leadership audiences. New material covers hybrid and remote work changes to physical and digital access, AI used to manipulate or deceive, access control, visitor screening and adverse employee separations. The agency framed the update around growing insider threat impact on critical infrastructure and pointed to preparedness resources for organizations without existing programs.

Infosecurity Magazine · 6d agoAdvisory