Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
DigiCert
DigiCert breached via malicious screensaver file

A targeted social engineering attack against DigiCert’s support channel led to the compromise of internal systems and the unauthorized issuance of EV Code Signing …

cPanel
Multiple threat actors actively exploit cPanel vulnerability (CVE-2026-41940)

The situation around the critical cPanel authentication bypass vulnerability (CVE-2026-41940) has deteriorated significantly since our initial coverage. Exploratory probing …

Microsoft Teams
Attackers use MS Teams, fake mailbox repair utility to breach organizations

A threat group has penetrated corporate networks by impersonating IT helpdesk staff on Microsoft Teams, tricking employees into downloading malware and surrendering their …

attack
New Mirai variants target routers and DVRs in parallel campaigns

Hidden inside newly discovered botnet malware is an unusual message from its creator: “AI.NEEDS.TO.DIE”. Dubbed “tuxnokill” by researchers at Akamai, …

NGate NFC malware
NGate NFC malware targets Android users through trojanized payment app

NFC-based payment fraud is expanding geographically and operationally. A campaign active since November 2025 is targeting Android users in Brazil using a new variant of the …

malware
Cargo theft malware actor spent a month inside a decoy network before researchers pulled the plug

Proofpoint researchers executed a malicious payload from a threat actor known to target trucking and logistics companies in late February 2026, doing so inside a decoy …

danger
Hackers hijacked CPUID downloads, served STX RAT to victims

If you tried to download software from CPUID’s website late last week, you might have downloaded malware instead. “Investigations are still ongoing, but it appears …

ClickFix
ClickFix campaign delivers Mac malware via fake Apple page

Security researchers at Jamf have uncovered a new ClickFix-style attack targeting Mac users via a fake Apple-themed webpage offering instructions on how to “reclaim disk …

cookie
To counter cookie theft, Chrome ships device-bound session credentials

Cookie theft follows a well-established pattern. Infostealer malware infiltrates a device, extracts authentication cookies, and exfiltrates them to an attacker-controlled …

chaos malware
Chaos malware expands from routers to Linux cloud servers

Chaos, Go-based malware first documented by Lumen’s Black Lotus Labs, has historically targeted routers and edge devices. A new variant observed in March 2026 shows the …

malware
Claude Code source leak exploited to spread malware

A source code leak involving Anthropic’s Claude Code tool quickly escalated into a cybersecurity threat, as attackers seized on the exposed files to lure developers into …

door
Software supply chain hacks trigger wave of intrusions, data theft

After linking the Axios npm supply chain attack to North Korean hackers, Google researchers warned that “hundreds of thousands of stolen secrets could potentially be …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools