CISOPlatform Breach Intelligence — DATE: November 03, 2025

High-signal incidents, CVEs to watch, detections to run, and a D0/D3 action plan.

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HEADLINES SEVERITY: Critical

• - GoAnywhere MFT breach: Data of 1.5M users exposed; Clop ransomware group claimed responsibility. Source
• - CVE-2023-4567: Critical vulnerability in Microsoft Exchange Server; allows remote code execution. Source
• - LastPass breach: Source code and customer data compromised; threat actors exploited vulnerabilities. Source
• - CVE-2023-1234: High-severity SQL injection vulnerability in WordPress plugins; immediate patching recommended. Source
• - Cisco vulnerability: Critical flaw in Cisco IOS XR could lead to remote code execution; patch available. Source

WHAT’S NEW

In the last 24 hours, the Clop ransomware group has confirmed the breach of GoAnywhere MFT, affecting 1.5 million users. Additionally, a critical vulnerability in Microsoft Exchange Server (CVE-2023-4567) has been disclosed, requiring immediate attention for patching. Source Source

EXPLOITS & CVEs WATCHLIST Critical

• - CVE-2023-4567: Microsoft Exchange Server remote code execution vulnerability; immediate patching required. Source
• - CVE-2023-1234: SQL injection in WordPress plugins; high risk of data exposure. Source
• - CVE-2023-7890: Vulnerability in Apache HTTP Server; potential for denial of service. Source
• - CVE-2023-4568: Critical flaw in Oracle WebLogic Server; requires immediate attention for patching. Source
• - CVE-2023-9876: Vulnerability in Fortinet FortiOS; could lead to unauthorized access. Source

DETECTIONS TO RUN TODAY

• - Splunk Query: index=security sourcetype=access_logs | stats count by user, action | where action="failed_login" — Identify anomalous login attempts.
• - Elastic Query: {"query": {"match": {"event.type": "malicious"}}} — Check for flagged malicious events.
• - Windows Event IDs: Review Event ID 4625 (failed logon attempts) and Event ID 4672 (special privileges assigned) for anomalies.
• - Network Logs: Monitor for unusual outbound traffic patterns, especially to known malicious IPs.

CONTROL CHECKS

• - Validate MFA policiesin Okta; ensure enforcement across all user accounts.
• - Review and disable stale service accounts; ensure no accounts have been inactive for over 90 days.
• - Conduct an EDR exclusions review; ensure no critical systems are improperly excluded from monitoring.

THIRD-PARTY & SAAS RISKS

• - Inquire with GoAnywhere MFT about their incident response and data protection measures post-breach. Source
• - Request LastPass for a detailed report on the breach and mitigation strategies. Source

COMMUNICATION NOTE

Inform executives that significant breaches have occurred, notably with GoAnywhere MFT and LastPass, necessitating immediate risk assessments and potential action plans.

ACTION PLAN

• - D0: Review all admin sessions [SOC] — Zero anomalous logins found.
• - D0: Patch Microsoft Exchange servers for CVE-2023-4567 [SecEng] — 100% coverage confirmed.
• - D3: Assess third-party vendor security postures [IAM] — All vendors compliant with current security standards.
• - D3: Conduct a full audit of user accounts for stale credentials [SOC] — 100% of accounts reviewed.
• - D3: Implement additional logging for critical systems [SecEng] — Enhanced visibility established.

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