Cybersecurity Brief – 2025-06-12

Thu, 12 Jun 2025 00:00:00 +0000

Major Incidents or Breaches

Erie Insurance and Erie Indemnity Company confirmed a cyberattack that caused recent business disruptions and platform outages.
INTERPOL’s Operation Secure dismantled over 20,000 malicious IP addresses or domains linked to 69 infostealer malware variants, resulting in 32 arrests, the seizure of 117 command-and-control servers, and disruption of infrastructure in 26 countries.
Over 80,000 Microsoft Entra ID (formerly Azure AD) accounts were targeted in an account takeover campaign using the open-source TeamFiltration tool.
Coordinated brute-force attacks involving 295 malicious IPs targeted Apache Tomcat Manager interfaces exposed online.

Microsoft released patches for 67 vulnerabilities, including a WebDAV remote code execution zero-day (CVE-2025-25099) actively exploited in the wild. The zero-day was leveraged by the Stealth Falcon APT group to drop malware targeting defense and government organizations in Turkey, Qatar, Egypt, and the UAE.
A zero-click vulnerability named “EchoLeak” was identified in Microsoft 365 Copilot, allowing exfiltration of sensitive data from a user’s context without user interaction.
Two vulnerabilities in SinoTrack GPS devices were disclosed, enabling remote control of certain vehicle functions and tracking via default passwords.
A bug in Google’s password-recovery page allowed brute-forcing of any user’s phone number, exposing contact information and enabling phishing and SIM-swapping attacks.
Mirai botnets were observed exploiting a vulnerability in the Wazuh security platform, highlighting rapid exploitation of newly published CVEs.

A new malicious implant, BrowserVenom, was discovered mimicking DeepSeek. The malware enables a proxy in Chrome and Mozilla browsers and spreads via phishing websites.
Former Black Basta ransomware members used email bombing and Microsoft Teams phishing, along with Python scripts, to establish persistent access in recent attacks.
Stealth Falcon APT exploited the Windows WebDAV zero-day for malware delivery in targeted attacks.
TeamFiltration, an open-source penetration testing tool, was repurposed for large-scale account takeover campaigns against Microsoft Entra ID accounts.

Threat actors are increasingly leveraging AI tools, as highlighted in OpenAI’s report, to assist in social engineering attacks and influence operations.
“SmartAttack” is a new technique using smartwatches as covert ultrasonic receivers to exfiltrate data from air-gapped systems.
Brute-force campaigns targeting web management panels, such as Apache Tomcat Manager, are being conducted via large numbers of distributed IP addresses.
Botnet operators are reducing time-to-exploit for new CVEs, as evidenced by recent Mirai botnet campaigns.
DNS security is being emphasized as a critical but often overlooked defense layer.
Increased adoption and discussion of agentic AI security products at industry events, such as Gartner’s Security & Risk Management Summit.
Microsoft issued revised updates for Windows 11 24H2 on incompatible PCs and fixed Windows Server domain controller issues stemming from earlier updates.

ConnectWise announced plans to rotate code-signing certificates based on third-party researcher recommendations, unrelated to a recent nation-state attack.
Google introduced new enterprise-scale security protections for Android devices.
INTERPOL’s Operation Secure represents a significant multinational law enforcement action against infostealer malware infrastructure.