Zeljka Zorz
SonicWall SMA appliances exploited in zero-day attacks (CVE-2025-23006)
A critical zero-day vulnerability (CVE-2025-23006) affecting SonicWall Secure Mobile Access (SMA) 1000 Series appliances is being exploited by attackers. “We strongly …
Defense strategies to counter escalating hybrid attacks
In this Help Net Security interview, Tomer Shloman, Sr. Security Researcher at Trellix, talks about attack attribution, outlines solutions for recognizing hybrid threats, and …
Mirai botnet behind the largest DDoS attack to date
Researchers have uncovered two Mirai-based botnets harnessing Internet of Things (IoT) devices to DDoS target organizations around the world. The Murdoc botnet Qualys …
48,000+ internet-facing Fortinet firewalls still open to attack
Despite last week’s confirmation of and warnings about long-standing exploitation of CVE-2024-55591, a critical vulnerability affecting Fortinet Fortigate firewalls, too …
Ransomware attackers are “vishing” organizations via Microsoft Teams
The “email bombing + posing as tech support via Microsoft Teams” combination is proving fruitful for two threat actors looking to deliver ransomware to …
CERT-UA warns against “security audit” requests via AnyDesk
Attackers are impersonating the Computer Emergency Response Team of Ukraine (CERT-UA) via AnyDesk to gain access to target computers. The request (Source: CERT-UA) …
How Russian hackers went after NGOs’ WhatsApp accounts
Star Blizzard, a threat actor tied to the Russian Federal Security Service (FSB), was spotted attempting to compromise targets’ WhatsApp accounts through a clever …
Critical SimpleHelp vulnerabilities fixed, update your server instances!
If you’re an organization using SimpleHelp for your remote IT support/access needs, you should update or patch your server installation without delay, to fix security …
Configuration files for 15,000 Fortinet firewalls leaked. Are yours among them?
A threat actor has leaked configuration files (aka configs) for over 15,000 Fortinet Fortigate firewalls and associated admin and user credentials. The collection has been …
Rsync vulnerabilities allow remote code execution on servers, patch quickly!
Six vulnerabilities have been fixed in the newest versions of Rsync (v3.4.0), two of which could be exploited by a malicious client to achieve arbitrary code execution on a …
Microsoft fixes actively exploited Windows Hyper-V zero-day flaws
Microsoft has marked January 2025 Patch Tuesday with a hefty load of patches: 157 CVE-numbered security issues have been fixed in various products, three of which (in Hyper-V) …
Fortinet fixes FortiOS zero-day exploited by attackers for months (CVE-2024-55591)
Fortinet has patched an authentication bypass vulnerability (CVE-2024-55591) affecting its FortiOS firewalls and FortiProxy web gateways that has been exploited as a zero-day …