Latest cybersecurity reporting from selected sources.

Agencies Have Until Sunday to Patch Two Critical Command Injection FlawsCISA added two critical FortiSandbox command injection vulnerabilities to its Known Exploited Vulnerabilities catalog after evidence of active attacks. Experts warn that unauthenticated remote code execution could let attackers compromise malware analysis systems and pivot deeper into enterprise networks.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday urged Fortinet customers with FortiGate appliances to take steps to secure against ongoing malicious activity aimed at thousands of internet-accessible devices

The Russian state-sponsored hacking group known as Turla has transformed its custom backdoor Kazuar into a modular peer-to-peer (P2P) botnet that's engineered for stealth and persistent access to compromised hosts

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has revealed that an unnamed federal civilian agency's Cisco Firepower device running Adaptive Security Appliance (ASA) software was compromised in September 2025 with a new malware called FIRESTARTER

PLUS: US takes down Iranian propaganda sites; Marketing company asks 'Why Do We Have Your Information?' And more! Infosec In Brief Russian intelligence-affiliated parties are posing as customer support services on commercial messaging applications such as Signal to compromise accounts and conduct phishing attacks, the FBI and Cybersecurity and Infrastructure Security Agency (CISA) warned last Friday.…

Threat actors affiliated with Russian Intelligence Services are conducting phishing campaigns to compromise commercial messaging applications (CMAs) like WhatsApp and Signal to seize control of accounts belonging to individuals with high intelligence value, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) said Friday

CISA published an advisory on endpoint management hardening after the Stryker wipe. Their Multi Admin Approval recommendation is a speed bump, not a wall. Here is what actually stops a Global Admin compromise: no standing privileges, PIM with Authentication Context, FIDO2 hardware keys, and automated session revocation.

Emergency CISA Directive Lands as DHS Shutdown Strains Cyber OperationsThe Cybersecurity and Infrastructure Security Agency issued a directive Wednesday ordering civilian agencies to secure and hunt for compromise in vulnerable Cisco SD-WAN systems after officials observed active exploitation - while warning that shutdown-related disruptions heighten operational risk.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting ASUS Live Update to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China (PRC) to maintain long-term persistence on compromised systems

Attackers sidestep encryption with spoofed apps and zero-click exploits to compromise 'high-value' mobile users CISA has warned that state-backed snoops and cyber-mercenaries are actively abusing commercial spyware to break into Signal and WhatsApp accounts, hijack devices, and quietly rummage through the phones of what the agency calls "high-value" users.…

CISA has ordered federal agencies to patch an actively exploited vulnerability in WatchGuard Firebox firewalls, which allows attackers to gain remote code execution on compromised devices. [...]

Federal Agencies Ordered to Patch or Decommission F5 Devices Amid Imminent RiskAn advanced nation-state threat actor stole sensitive F5 source code and vulnerability data to craft tailored exploits, prompting an emergency directive amid a U.S. government shutdown that has left cyber defenses strained and federal networks at "imminent risk."

An unnamed federal agency was hacked last year after threat actors exploited a critical GeoServer vulnerability

CISA has revealed that attackers breached the network of an unnamed U.S. federal civilian executive branch (FCEB) agency last year after compromising an unpatched GeoServer instance. [...]

Unnamed org compromised with two malware sets An unknown attacker has abused a couple of flaws in Ivanti Endpoint Manager Mobile (EPMM) and deployed two sets of malware against an unnamed organization, according to the US Cybersecurity and Infrastructure Security Agency.…

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of two sets of malware that were discovered in an unnamed organization's network following the exploitation of security flaws in Ivanti Endpoint Manager Mobile (EPMM)

No reported in-the-wild exploits…yet Microsoft and the feds late Wednesday sounded the alarm on another high-severity bug in Exchange Server hybrid deployments that could allow attackers to escalate privileges from on-premises Exchange to the cloud.…

Indications of compromise and Sigma rules report for your security scanners amid ongoing 'ToolShell' blitz CISA has published a malware analysis report with compromise indicators and Sigma rules for "ToolShell" attacks targeting specific Microsoft SharePoint Server versions.…

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday disclosed that ransomware actors are targeting unpatched SimpleHelp Remote Monitoring and Management (RMM) instances to compromise customers of an unnamed utility billing software provider