Shadowserver

DanaBot botnet disrupted, QakBot leader indicted
Operation Endgame, mounted by law enforcement and judicial authorities from the US, Canada and the EU, continues to deliver positive results by disrupting the DanaBot botnet …

Attackers are targeting CrushFTP vulnerability with public PoC (CVE-2025-2825)
Exploitation attempts targeting the CVE-2025-2825 vulnerability on internet-facing CrushFTP instances are happening, the Shadowserver Foundation has shared on Monday, and the …

CrushFTP: Patch critical vulnerability ASAP! (CVE-2025-2825)
CrushFTP has fixed a critical vulnerability (CVE-2025-2825) in its enterprise file transfer solution that could be exploited by remote, unauthenticated attackers to access …

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 …

UK domain registry Nominet breached via Ivanti zero-day
The number of internet-facing Ivanti Connect Secure instances vulnerable to attack via CVE-2025-0282 has fallen from 2,048 to 800 in the last four days, the Shadowserver …

How the Shadowserver Foundation helps network defenders with free intelligence feeds
In this Help Net Security interview, Piotr Kijewski, CEO of The Shadowserver Foundation, discusses the organization’s mission to enhance internet security by exposing …

2,000 Palo Alto Networks devices compromised in latest attacks
Attackers have compromised around 2,000 Palo Alto Networks firewalls by leveraging the two recently patched zero-days (CVE-2024-0012 and CVE-2024-9474), Shadowserver …

87,000+ Fortinet devices still open to attack, are yours among them? (CVE-2024-23113)
Last week, CISA added CVE-2024-23113 – a critical vulnerability that allows unauthenticated remote code/command execution on unpatched Fortinet FortiGate firewalls …

Cisco fixes critical flaws in Secure Email Gateway and SSM On-Prem (CVE-2024-20401, CVE-2024-20419)
Cisco has fixed two critical vulnerabilities that may allow attackers to overwrite files on its Secure Email Gateways (CVE-2024-20401) and change the password of any user on …

Zyxel patches critical flaws in EOL NAS devices
Zyxel has released patches for three critical vulnerabilities (CVE-2024-29972, CVE-2024-29973, and CVE-2024-29974) affecting two network-attached storage (NAS) devices that …

92,000+ internet-facing D-Link NAS devices accessible via “backdoor” account (CVE-2024-3273)
A vulnerability (CVE-2024-3273) in four old D-Link NAS models could be exploited to compromise internet-facing devices, a threat researcher has found. The existence of the …

17,000+ Microsoft Exchange servers in Germany are vulnerable to attack, BSI warns
Around 12% of the 45,000 or so Microsoft Exchange servers in Germany that can be accessed from the Internet without restrictions “are so outdated that security updates …
Featured news
Resources
Don't miss
- Meta open-sources AI tool to automatically classify sensitive documents
- Why SAP security updates are a struggle for large enterprises
- Attackers fake IT support calls to steal Salesforce data
- Google fixes Chrome zero-day with in-the-wild exploit (CVE-2025-5419)
- How to manage your cyber risk in a modern attack surface