🚨 Microsoft Teams IT support scams are leading to malware and ransomware attacks.

Researchers tracked hundreds of cases where attackers flood inboxes with emails, impersonate IT staff on Teams, and trick employees into granting remote access.

How the attacks work ↓ https://thehackernews.com/2026/10/attackers-use-microsoft-teams-it.html

‼️ PHP patches Windows builds AGAIN, just 5 days after the PHP2Shell fixes.

This time, a Brotli flaw could allow code execution when cURL automatically decompresses crafted HTTP responses.

Updated builds cover PHP 8.2–8.5.

Full details: https://thehackernews.com/2026/10/php-issues-second-windows-security.html

🚨 953 online stores infected in a stealthy malware campaign, most running Magento.

Hackers injected malicious JavaScript that filters out security scanners while serving malicious code to real shoppers.

How it works ↓ https://thehackernews.com/2026/10/hackers-infect-953-online-stores-with.html

🚨 CISA adds two PHP2Shell bugs to its KEV catalog after confirming active exploitation.

CVE-2026-109618 and CVE-2026-109619 enable unauthenticated remote code execution on affected PHP deployments.

Read ↓ https://thehackernews.com/2026/10/cisa-confirms-active-exploitation-of.html

‼️ UPDATE - Tailscale confirms the Tailworm SSH flaws are real.

Its new investigation page says most of what it found is privilege escalation and calls the issues “serious.” Fix targeted within 24 hours — no CVE or patched version out yet.

Mitigate now:
→ Set TS_SSH_DISABLE_FORWARDING=1 in the tailscaled service and restart
→ Tighten SSH access rules to the users/devices that need them

Read: https://thehackernews.com/2026/10/unpatched-tailscale-ssh-flaws-could-let.html

🚨 Dahua IP cameras compromised in Ukraine.

CERT-UA confirms attackers gained access to video feeds, changed device settings, and created rogue accounts.

The attacks exploit Easy4IP P2P access alongside weak passwords or authentication bypass flaws.

Full details ↓ https://thehackernews.com/2026/10/attackers-hijack-dahua-ip-cameras-in.html

🚨 Ransomware attackers know your recovery plan. That's why they target your backups first.

Stolen admin credentials, deleted shadow copies, compromised backup storage.

Having backups isn't the same as being able to recover.

Here's what actually protects recovery → https://thehackernews.com/expert-insights/2026/10/your-backup-isnt-ransomware-proof-just.html

‼️ OpenAI encrypts its AI models' hidden reasoning to keep it unreadable. Researchers found a way to extract it as plaintext using OpenAI's own compaction feature.

The method bypassed earlier protections. OpenAI has now patched the flaw.

Here's how it worked ↓ https://thehackernews.com/2026/10/openai-compaction-flaw-let-researchers.html

🛑 Australia says it gained access to an Amadey malware operation's backend and cut off a cybercriminal's control over 180,000 infected computers worldwide.

The malware wasn't removed, but the operator lost access.

Here's what happened: https://thehackernews.com/2026/10/australia-gets-into-amadey-malware.html

⚠️ Lazarus hackers are exploiting South Korean banking security software to deploy malware in a new espionage campaign.

The attacks use GitHub-hosted payloads, new backdoors, and malware communications protected by post-quantum encryption.

Read: https://thehackernews.com/2026/10/lazarus-abuses-south-korean-security.html

🚨 Keystone to destroy 18,835 hardware wallets after hackers stole its device verification key.

The stolen key could let counterfeit wallets pass as genuine. The breach also affected 25,964 buyer records.

What to do ↓ https://thehackernews.com/2026/10/keystone-to-destroy-18835-hardware.html

⚠️ A Gemini agent in a security test reportedly accessed 3 real companies, one by guessing a password.

Anthropic says a fake “discounted Claude” reseller stole buyers’ credentials. Same weak point: a credential someone can guess, find, or steal.

Read: https://thn.news/ai-security-risks

🚨 Microsoft Authenticator flaw let malicious Android apps impersonate Teams and obtain work account sign-in tokens.

No app permissions needed. Researchers demonstrated access to email, files, and calendars.

Microsoft has patched it.

🔗 Read more ↓ https://thehackernews.com/2026/10/microsoft-authenticator-flaw-let.html

⚠️ Fake login pages aren't just stealing passwords anymore.

AI makes phishing pages easier to clone and personalize. Some attacks go further, stealing MFA codes or hijacking authenticated sessions to access corporate accounts.

How these attacks work and what stops them ↓ https://thehackernews.com/2026/10/ai-generated-fake-login-pages-are.html

🚨 Apple patches a possibly exploited CoreGraphics flaw on older iPhones and iPads.

CVE-2026-86950 could allow arbitrary code execution. Apple says it may have been used in targeted attacks against specific individuals.

The fix is now available in iOS 18.7.11 and iPadOS 18.7.11.

Details → https://thehackernews.com/2026/10/apple-backports-fix-for-exploited.html

‼️ WARNING - Hundreds of millions of devices run GoAhead's embedded web server.

Now, 3 TLS vulnerabilities have been disclosed that can allow revoked client certificates to authenticate or expose encrypted sessions to decryption.

Affected builds use specific OpenSSL, LibreSSL, or Mbed TLS configurations.

Read more: https://thehackernews.com/2026/10/goahead-tls-flaws-allow-revoked-client.html

AI made developers faster, so who is paying for the cleanup that follows?

ActiveState asked 307 enterprise leaders what AI is doing to their workload, and 94% said it has increased the amount of software that needs remediation or cleanup. The new report shows where that cost lands and how moving open source software controls upstream reduces it.

Download the Report - https://thn.news/ai-security-bill

🚨 44 AI agents coordinating cyberattacks.

CyberStrikeAI is being used to automate attacks targeting Japanese organizations, from reconnaissance and exploitation to command-and-control.

At least 19 organizations were subjected to vulnerability validation.

Read: https://thehackernews.com/2026/10/cyberstrikeai-uses-44-ai-agents-to.html

🚨 CISA adds two actively exploited flaws in Adobe Commerce/Magento and Google Brotli to its KEV catalog.

➜ PolyShell: Attackers breached hundreds of online stores and injected malicious loaders.

➜ Node2Shell: RCE exploit attempts detected in the wild.
Federal patch deadline: November 10.

Full details: https://thehackernews.com/2026/10/adobe-commerce-polyshell-attacks-breach.html

‼️ The Oracle PeopleSoft zero-day exploited by ShinyHunters was actually THREE chained flaws.

New technical analysis reveals how an SSRF flaw bypasses internal access controls, enabling unauthenticated remote code execution.

All three were patched under one CVE: CVE-2026-35273.

Details → https://thehackernews.com/2026/10/shinyhunters-exploited-oracle.html