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- [Sentinel] #8 - Microsoft SharePoint Hacked: 400+ Global Victims!
[Sentinel] #8 - Microsoft SharePoint Hacked: 400+ Global Victims!
Zero-day chaos, AI threats, and free tools—stay secure with this week’s Cyber Sentinel!
Hi there, Privacy Protectors! 🕵️♂️
Let’s cut to the chase! Here’s what happened this week 😉
🛡️ IN TODAY’S EDITION
🧨 1. Breach of the Week
Target: Microsoft SharePoint (Global)
Impact: Over 400 global victims, including government and energy firms, hit by a zero-day exploit (CVE-2025-53770, CVSS 9.8) with no patch, enabling data theft and espionage. Chinese groups like Linen and Violet Typhoon use "ToolShell" for stealth attacks.
Lessons:
Credential-stuffing surges: update passwords, enable MFA, monitor for takeovers.
Aggregated data attracts attackers: audit and limit stored credentials.
Infostealer malware fuels breaches: prioritize endpoint security and user awareness.
🧠 2. AppSec
A critical zero-day vulnerability in the Gravity Forms plugin by RocketGenius, exploited in July 2025, enabled remote code execution (RCE) and rogue admin accounts across 1M+ WordPress sites.
This supply chain attack compromised plugin versions 2.9.11.1 and 2.9.12, distributed via gravityforms.com on July 9-10, allowing attackers to deploy backdoors.
E-commerce, media, and enterprise sites face risks of data theft and further attacks.
Action: Update to version 2.9.13, audit for rogue admin accounts, and scan for webshells.
📍 Takeaway: Supply chain attacks on plugins are rising. Vet dependencies, patch promptly, and monitor continuously to reduce risks.
☁️ 3. CloudSec
Clouds are prime targets for attackers exploiting misconfigurations and flaws:
80% of organizations faced cloud incidents last year, often from misconfigured buckets and APIs.
Oracle’s July 2025 Patch fixed 309 vulnerabilities, 127 remotely exploitable.
Ransomware groups hit cloud assets, exploiting backups and privilege escalation.
📍 Takeaway: Cloud attack surfaces grow fast. Automate config management and patch promptly to cut risks.
📡 4. Attack Surface
Cloudflare reports record DDoS campaigns testing even major cloud providers.
CrushFTP zero-day (unpatched flaw) exploit granted admin access, highlighting risks in legacy platforms.
Attackers exploit new vulnerabilities fast, with SaaS and supply chain flaws driving most breaches.
📍 Takeaway: Attack surfaces span SaaS, OT, and identities. Prioritize rapid patching and discovery tools to shrink exposure.
🔓 5. Free Resources for You
Here’s what I’ve found most helpful this week:
🛡️ Wazuh – Free SIEM & XDR for threat detection [get it]
🧼 ClamAV – Antivirus for files, emails & endpoints [scan]
🧪 Cuckoo – Malware analysis sandbox [analyze]
🕷️ Burp (Free) – Web app vuln scanner & proxy [test]
🛰️ Nikto – Web server scanner for known flaws [scan]
👉 One Quick Question
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🔐 Stay sharp. Stay secure.
This newsletter is crafted with focus, scepticism, and zero hype. Just field-relevant insights at the intersection of cybersecurity and AI.
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🌍 Published by Sentinel