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Signal app
State-backed phishing attacks targeting military officials and journalists on Signal

German security authorities are warning that a likely state-backed hacking group is engaged in attempts at phishing senior political figures, military officials, diplomats, …

networking
CISA orders US federal agencies to replace unsupported edge devices

The US Cybersecurity and Infrastructure Security Agency (CISA) issued a new binding operational directive aimed at reducing a long-standing cyber risk across federal networks: …

alert
Ransomware attackers are exploiting critical SmarterMail vulnerability (CVE-2026-24423)

For the third time in two weeks, CISA added a vulnerability (CVE-2026-24423) affecting SmarterTools’ SmarterMail email and collaboration server to its Known Exploited …

vmware
CISA confirms exploitation of VMware ESXi flaw by ransomware attackers

CVE-2025-22225, a VMware ESXi arbitrary write vulnerability, is being used in ransomware campaigns, CISA confirmed on Wednesday by updating the vulnerability’s entry in …

Microsoft Windows
Why a decade-old EnCase driver still works as an EDR killer

Attackers are leaning on a new EDR killer malware that can shut down 59 widely used endpoint security products by misusing a kernel driver that once shipped with Guidance …

malware
Russian hackers are exploiting recently patched Microsoft Office vulnerability (CVE-2026-21509)

Russian state-sponsored hackers Fancy Bear (aka APT 28) are exploiting CVE-2026-21509, a Microsoft Office vulnerability for which Microsoft released an emergency fix last …

Notepad++
Notepad++ supply chain attack: Researchers reveal details, IoCs, targets

Rapid7 researchers have attributed the recent hijacking of the Notepad++ update mechanism to Lotus Blossom (aka Billbug), a Chinese state-sponsored group known for targeting …

authentication
ShinyHunters flip the script on MFA in new data theft attacks

Multi-factor authentication (MFA) is supposed to defend against phishing attacks, but threat actors operating under the ShinyHunters banner are using it as a pretext in …

Notepad++
How state-sponsored attackers hijacked Notepad++ updates

UPDATE: Notepad++ supply chain attack: Researchers reveal details, IoCs, targets Suspected Chinese state-sponsored attackers hijacked the Notepad++ update mechanism by …

Ivanti
Ivanti provides temporary patches for actively exploited EPMM zero-day (CVE-2026-1281)

Ivanti has released provisional patches that fix two critical code injection vulnerabilities in Endpoint Manager Mobile (EPMM), one of which (CVE-2026-1281) has been exploited …

network
Google disrupts proxy network used by 550+ threat groups

Google has disrupted Ipidea, a massive residential proxy network consisting of user devices that are being used as the last-mile link in cyberattack chains. “In a single …

eScan AV users targeted with malicious updates

The update infrastructure for eScan antivirus, a product of Indian cybersecurity company MicroWorld Technologies, has been compromised by unknown attackers to deliver a …

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