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.
botnet
Global sinkhole operation ends Sality botnet’s 23-year run

Sality, a peer-to-peer (P2P) botnet that had been running for 23 years and infecting more than 15,000 machines worldwide, has been taken down in a joint operation by …

Zimbra
Unpatched Zimbra servers are falling to CVE-2026-73570 attacks

At least 274 internet-facing Zimbra instances have been compromised by unknown attackers via CVE-2026-73570, the Shadowserver Foundation shared on Monday. About CVE-2026-73570 …

ColdFusion
Attackers exploit critical Adobe ColdFusion vulnerability (CVE-2026-48282)

CVE-2026-48282, one of the maximum severity vulnerabilities patched in Adobe ColdFusion on June 30, 2026, has been targeted by attackers in the wild. Exploitation attempts …

Gorazd Božič
A small Slovenian team handles 6,000 cyber incidents a year

Online fraud complaints, ransomware cases, and phishing tips reach Slovenia’s national cyber response center in steady volume, and a team of around a dozen analysts …

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 …

IceWarp
Over 1,200 IceWarp servers still vulnerable to unauthenticated RCE flaw (CVE-2025-14500)

A critical RCE vulnerability (CVE-2025-14500) in IceWarp, an EU-made business communication and collaboration platform, may be exploited by attackers to gain unauthorized …

interpol arrest africa
574 arrests, $3 million recovered in Africa-wide cybercrime crackdown

Law enforcement agencies across 19 countries arrested 574 suspects and recovered approximately $3 million during a major cybercrime operation spanning Africa. Suspects were …

Operation Endgame
Rhadamanthys infostealer operation disrupted by law enforcement

The rumors were true: Operation Endgame, a joint effort between law enforcement and judicial authorities of several European countries, Australia, Canada, the UK and the US, …

Cisco
Too many Cisco ASA firewalls still unsecure despite zero-day attack alerts

Despite Cisco and various cybersecurity agencies warning about attackers actively exploting zero-day vulnerabilities (CVE-2025-20333 and CVE-2025-20362) in Cisco Adaptive …

SAP
Exploit for critical SAP Netweaver flaws released (CVE-2025-31324, CVE-2025-42999)

A working exploit concatenating two critical SAP Netweaver vulnerabilities (CVE-2025-31324, CVE-2025-42999) that have been previously exploited in the wild has been made …

Netscaler
Netscaler vulnerability was exploited as zero-day for nearly two months (CVE-2025-6543)

FortiGuard Labs has reported a dramatic spike in exploitation attempts targeting CitrixBleed 2, a critical buffer over‑read flaw (CVE‑2025‑5777) affecting Citrix NetScaler ADC …

CrushFTP
Critical CrushFTP vulnerability exploited. Have you been targeted? (CVE-2025-54309)

Unknown attackers have exploited a vulnerability (CVE-2025‑54309) in the CrushFTP enterprise file-transfer server solution to gain administrative access to vulnerable …

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