Latest cybersecurity reporting from selected sources.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned Tuesday that attackers are actively exploiting three vulnerabilities to hack Internet-exposed on-premises SharePoint Server instances. [...]

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

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."

CISA Advisory Says Threat Actors Stole App Secrets in Azure-Hosted Backup PlatformA suspected Chinese state hacking group linked to last year’s telecom intrusions breached Commvault’s Microsoft Azure environment, exposing sensitive Microsoft 365 credentials and reigniting fears over U.S. cloud infrastructure vulnerabilities and default security settings.

The U.S. Cybersecurity & Infrastructure Security Agency (CISA) has tagged a Langflow remote code execution vulnerability as actively exploited, urging organizations to apply security updates and mitigations as soon as possible. [...]

House Homeland Security Committee Mulls Response to Volt Typhoon, Future of CISAThe United States needs to respond more aggressively to nation-state hacking, members of Congress heard Wednesday against a backdrop of changes, actual and planned, at the primary federal civilian cyber defense agency. "We need to call them out for this," said Rep. Michael McCaul, R-Texas.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) said today that the Treasury Department breach disclosed last week did not impact other federal agencies. [...]

CISA Recommends Strict Mobile Security Measures Following Salt Typhoon Telecom HackThe Cybersecurity and Infrastructure Security Agency's latest guidance calls on top U.S. political and government officials to adopt stricter mobile security measures in response to the Salt Typhoon hacking campaign, a Chinese espionage effort that has infiltrated major telecom systems.

CISA and the FBI confirmed that Chinese hackers compromised the "private communications" of a "limited number" of government officials after breaching multiple U.S. broadband providers. [...]

​CISA has ordered U.S. federal agencies to secure their systems against a recently patched Windows MSHTML spoofing zero-day bug exploited by the Void Banshee APT hacking group. [...]

US Cyber Defense Agency Instructs Agencies to Fortify Systems Amid Microsoft BreachThe U.S. Cybersecurity and Infrastructure Security Agency publicly released an emergency directive Thursday requiring impacted federal agencies to take immediate remediation measures amid continued fallout from the Russian state-sponsored hacking of Microsoft that began in late November.

CISA has issued a new emergency directive ordering U.S. federal agencies to address risks resulting from the breach of multiple Microsoft corporate email accounts by the Russian APT29 hacking group. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is investigating the recent breach of data analytics company Sisense, an incident that also impacted critical infrastructure organizations. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is investigating the recent breach of data analytics company Sisense, an incident that also impacted critical infrastructure organizations. [...]

CISA, the NSA, the FBI, and several other agencies in the U.S. and worldwide warned critical infrastructure leaders to protect their systems against the Chinese Volt Typhoon hacking group. [...]

Gateway Maker Says Technique Won't Succeed in Live Customer EnvironmentCorporate VPN maker Ivanti disputed findings by the U.S. cybersecurity agency that said hackers can establish persistence on rooted appliances through a factory reset but nonetheless released an updated integrity checking tool Tuesday. Ivanti has been in emergency response mode since early January.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) revealed today that attackers who hack Ivanti VPN appliances using one of multiple actively exploited vulnerabilities may be able to maintain root persistence even after performing factory resets. [...]

FBI and CISA Detail Operation to Prevent Chinese Attacks on Critical InfrastructureThe FBI launched a court-authorized sting operation against a Chinese hacking group known as Volt Typhoon, partnering with the Cybersecurity and Infrastructure Security Agency and a cohort of U.S. cyber agencies to prevent a major attack on the nation’s critical infrastructure sectors.

'Cyber Av3ngers' Didn't Tamper With Water Safety, Says Cyber AgencyThe U.S. Cybersecurity and Infrastructure Security Agency encouraged all organizations that use equipment developed by an Israeli technology company called Unitronics to bolster their cyber posture amid the Israel-Hamas war after an Iranian hacking group attacked a Pennsylvania water municipality.

CISA (Cybersecurity & Infrastructure Security Agency) is warning that threat actors breached a U.S. water facility by hacking into Unitronics programmable logic controllers (PLCs) exposed online. [...]