Category: SANS ISC Bulletins

The SANS Holiday Hack Challenge™ 2025 is available. (c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.

Like many have reported, we too noticed exploit attempts for CVE-2025-64446 in our honeypots. These are POST requests to this path: With this User Agent String: And this is the data of the POST request: This creates a new admin...

Today’s Microsoft Patch Tuesday offers fixes for 80 different vulnerabilities. One of the vulnerabilities is already being exploited, and five are rated as critical. Notable Vulnerabilities: %%cve:2025-62215%%: This...

Today, I noticed scans using the username “FTP_3cx” showing up in our logs. 3CX is a well-known maker of business phone system software [1]. My first guess was that this was a default user for one of their systems....

This is just a quick diary entry to report that I saw requests on my honeypot for (code) repositories: /.git/logs/refs/remotes/origin/main /.git/objects/info /.github /.github/dependabot.yml /.github/funding.yml...

For several years, we have offered a “new domain” list of recently registered (or, more accurately, recently discovered) domains. This list is offered via our API (https://isc.sans.edu/api). However, the size of the...

Apple released its expected set of operating system upgrades. This is a minor feature upgrade that also includes fixes for 110 different vulnerabilities. As usual for Apple, many of the vulnerabilities affect multiple operating...