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. [...]

Ukrainian National Twice Indicted in Los Angeles for Pro-Russian HackingU.S. and allied agencies warned of low-skill Russian-linked hacktivists breaching critical infrastructure by exploiting weak remote access tools, as federal prosecutors charged a Ukrainian national with helping orchestrate operations targeting water and energy systems.

Industry Wants to Stick to Voluntary MeasuresU.S. telecommunications networks are still vulnerable to foreign intrusion, national security and industry panelists told senators during a Tuesday hearing, warning that China and other adversaries are refining long-term access into American infrastructure.

The U.S. Department of Homeland Security (DHS) warned over the weekend of escalating cyberattack risks by Iran-backed hacking groups and pro-Iranian hacktivists. [...]

Iranian OT Hacking Team Has Gone Quiet … Too QuietArmed exchanges between Iran and Israel and the prospect of U.S. armed intervention against Tehran has cyber defenders warning about hacking risks to critical infrastructure. Iran's CyberAv3ngers doesn't possess the sophistication of Chinese or Russian actors but it's still a persistent threat.

Hackers Posing as Help Desks and Call Centers to Target Victims, Google WarnsA hacking collective behind recent cyberattacks on major British retailers has pivoted to target U.S. insurance firms, warned Google. Scattered Spider, tracked as UNC3944 by Google, is a financially motivated threat group consisting largely of English-speaking adolescents.

National Security and Hacking Worries Underpin Concerns over Supply Chain RiskThe U.S. federal government is telling the automotive industry to stop buying Chinese manufactured hardware and software powering onboard telematics and automated driving systems, warning that the potential for nation-state hacking and espionage poses a national security risk.

T-Mobile Blocks Hackers But Warns Other U.S. Networks May Be CompromisedT-Mobile disputed claims Wednesday that Chinese state-sponsored hackers breached its systems and stole customer data, warning that some U.S. communications networks may still be compromised and detailing how its layered defenses and third-party cybersecurity partnerships thwarted the attack.

​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. [...]

Justice Department Adds Russian Intelligence Officers to Ukraine Hacking IndictmentThe United States announced a superseding indictment Thursday that adds five Russian military intelligence officers as defendants while warning that Kremlin cyberthreat actors continue to target U.S. and global critical infrastructure.

The FBI warned retail companies in the United States that a financially motivated hacking group has been targeting employees in their gift card departments in phishing attacks since at least January 2024. [...]

Hacks on Unregulated Dams Can Result in Mass Casualties, Experts and Lawmakers WarnCybersecurity experts and top lawmakers are warning that a successful cyberattack targeting federally-regulated dams across the United States - the majority of which have not received a cyber audit - could result in a severe impact on public health and even mass casualties.

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.

Foreign Adversaries Increasingly See Campaigns as Prime for Hacking, Official SaysThe U.S. Department of Homeland Security's assistant secretary for cyber, infrastructure, risk and resilience is sounding the alarm over hackers targeting political campaigns ahead of the 2024 elections, warning that campaigns could be left vulnerable if they fail to practice basic cyber hygiene.

Bank of America is warning customers of a data breach exposing their personal information after one of its service providers was hacked last year. [...]

TA422 Is Targeting Organizations in Europe and North America, Proofpoint SaysA Russian military hacking intelligence group is winning the race to exploit known vulnerabilities before system administrators can apply patches, warns Proofpoint. The firm has seen a spike in activity from TA422, also known as APT28, Fancy Bear and Forest Blizzard.

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. [...]

The U.S. Federal Bureau of Investigation (FBI) is warning that Barracuda Networks Email Security Gateway (ESG) appliances patched against a recently disclosed critical flaw continue to be at risk of potential compromise from suspected Chinese hacking groups

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday released an industrial control systems (ICS) advisory warning of seven security flaws in Dataprobe's iBoot-PDU power distribution unit product, mostly used in industrial environments and data centers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA), along with the Coast Guard Cyber Command (CGCYBER), on Thursday released a joint advisory warning of continued attempts on the part of threat actors to exploit the Log4Shell flaw in VMware Horizon servers to breach target networks