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The Latest Breaking News from CISA

Microsoft Exchange 0-Day Exploit Sparks Emergency Warning — Hackers Are Attacking Unpatched Servers

Microsoft Exchange Servers are under threat from a zero-day vulnerability, exploited via crafted emails. With no official patch, companies are urged to use mitigation services to protect their systems.

International Business Times UK

Iran Allegedly Breached US Gas Station Tank Readers With No Password to Stop Them

Iranian hackers infiltrated US fuel storage systems, exploiting password-free networks. This breach underscores significant cybersecurity vulnerabilities amid escalating geopolitical tensions.

International Business Times UK

More than 70,000 US Army files were exposed ‘for over a year’ even after CISA warning – sensitive personnel info and base schematics stored in vulnerable Open Directory Listing

The database contained sensitive US military information on bases, personnel, contractors, and schematics

TechRadar

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'A single 732-byte Python script can be used to obtain root on essentially all Linux distributions shipped since 2017': Time to update your kernel

Batten down the distros.

PC Gamer

CISA flags actively exploited ‘Copy Fail’ Linux kernel flaw enabling root takeover across major distros — unpatched systems may remain vulnerable to attack

CISA warns of the actively exploited “Copy Fail” Linux flaw (CVE-2026-31431), enabling root access, with a public exploit released before patches were ready.

Tom’s Hardware

State cybersecurity agencies around the world are advising extra care over home routers as they could be used in 'China-nexus' covert networks

Though at least one security company thinks there are more important measures to take than those CISA suggests.

PC Gamer

Secret Service Agent Protected President Trump Despite Unpaid Status During Record 72-Day DHS Shutdown

DHS shutdown reaches 72 days, leaving Secret Service agents who shielded Trump at WHCD and 100,000 workers facing missed pay. Speaker Johnson blocks Senate bill, prolonging the crisis.

International Business Times UK

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New 'Firestarter' malware flames on in spite of Cisco firewall updates and security patches

Security pros are warning about custom malware targeting Cisco firewalls, and surviving upgrades and reboots.

TechRadar

CISA puts US government agencies on two-week deadline to patch Microsoft Defender BlueHammer zero-day exploit

BlueHammer was disclosed in early April, together with two additional bugs, by a disgruntled researcher.

TechRadar

Scoop: Top U.S. cyber agency doesn't have access to Anthropic's powerful hacking model

CISA is not on the list of more than 40 organizations with access to Anthropic's Mythos Preview.

Axios

An ancient Microsoft Excel security flaw could let hackers hijack your entire system, so patch now

CISA is warning about ongoing exploitation of a 2008 bug in multiple versions of Excel.

TechRadar

A 17-year-old Excel vulnerability is currently being exploited by threat actors, and it's been flagged by the US' cyber defence agency

The little exploit that could.

PC Gamer

DHS Forces Staff to Return to Work Without Pay As Shutdown Continues

The Department of Homeland Security has ordered thousands of furloughed staff back to duty despite an ongoing funding lapse. A leaked memo reveals that FEMA and CISA employees must report in person or face disciplinary action.

International Business Times UK

US cybersecurity agency issues an urgent alert as Iranian hackers attack critical infrastructure — CISA guidance warns organizations to immediately shield certain programmable logic controllers from the internet to thwart future attacks

The U.S. Cybersecurity and Infrastructure Security Agency, in conjunction with the FBI and NSA, have issued an alert that Iranian-affiliated cyber attacks are threatening critical infrastructure, exploiting programmable logic controllers made by Rockwell Automation and Allen-Bradley to gain access.

Tom’s Hardware

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TechRadar

Critical Citrix NetScaler flaw gets official patch warning from CISA

CISA is giving FCEB agencies a tight deadline to patch as researchers discover evidence of abuse.

The Guardian - US

TSA staffing shortage and upcoming World Cup will create ‘perfect storm’, warns acting head

Ha Nguyen McNeill testified before House committee about airport wait times amid DHS funding shutdown

Euronews

Russian hackers are targeting Signal and WhatsApp accounts, says US's FBI

Attackers impersonate official support accounts on messaging platforms, luring users to click malicious links.

TechRadar

Signal is being targeted by Russian hackers in a huge new phishing campaign, FBI says

The campaign is allegedly already a success, as Russians access people's devices.

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The Independent UK

Russian hackers hijack thousands of ‘high intelligence’ messaging app accounts, FBI warns

Targets include current and former US government officials, military personnel, political figures, and journalists

TechRadar

Secure your Microsoft system or suffer the same fate as Stryker – US tells companies to secure corporate accounts

CISA says hackers are actively seeking targets and urges companies to bolster their defenses.

TechRadar

This Wing FTP Server flaw is being actively exploited in attacks – CISA says mitigate now

CISA adds a new vulnerability to KEV, signaling abuse in the wild.

The Times of India

How AI may have handed Iran’s proxies a map to US infra

BENGALURU: Within hours of US and Israeli strikes hitting Iran on Feb 28, over 50 hacktivist groups aligned with Iranian interests had activated on Telegram. Many possibly had no background in industrial control systems and no state direction.

We Got This Covered

Republicans issue a stark warning tied to Iran as they push Democrats to fold on DHS funding

Republicans say that Iran is a serious threat, requiring DHS to have funding for their agencies.

TechRadar

Cisco warns of critical SD-WAN security flaw which has been open since 2023

Maximum-severity Cisco flaw is being actively abused, and FCEB agencies were given just a few days to patch.

Axios

Kristi Noem tightens her grip on the Department of Homeland Security

High-level leadership ousters have overlapped with a growing staff exodus.

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