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New technique detects tampering or forgery of a PDF document

Researchers from the University of Pretoria presented a new technique for detecting tampering in PDF documents by analyzing the file’s page objects. The technique employs a prototype that can detect changes to a PDF document, such as changes made to the text, images, or metadata. Prototype flow With the PDF format being used as a formal means of communication in multiple industries, it has become a good target for criminals who wish to affect contracts … More → The post New technique detects tampering or forgery of a PDF document appeared first on Help Net Security.
http://news.poseidon-us.com/TLmc0P

Cloud security maintains its position as top spending priority

While most enterprises have integrated cloud resources into their operations, many need to improve their ability to secure these environments and the data they contain, according to Thales. Cloud security challenges go beyond technology The variability of controls across cloud providers, combined with the distinct mindset required for cloud security, continues to challenge security teams. This pressure is only increasing as AI initiatives drive more sensitive data into cloud environments. 64% of respondents ranked cloud … More → The post Cloud security maintains its position as top spending priority appeared first on Help Net Security.
http://news.poseidon-us.com/TLmYtF

ISC Stormcast For Monday, July 7th, 2025 https://isc.sans.edu/podcastdetail/9514, (Mon, Jul 7th)

(c) SANS Internet Storm Center. https://isc.sans.edu Creative Commons Attribution-Noncommercial 3.0 United States License.
http://news.poseidon-us.com/TLmWfF

A few interesting and notable ssh/telnet usernames, (Sun, Jul 6th)

Just looked at our telnet/ssh honeypot data, and found some interesting new usernames that attackers attempted to use:
http://news.poseidon-us.com/TLmGfB

Week in review: Sudo local privilege escalation flaws fixed, Google patches actively exploited Chrome

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Sudo local privilege escalation vulnerabilities fixed (CVE-2025-32462, CVE-2025-32463) If you haven’t recently updated the Sudo utility on your Linux box(es), you should do so now, to patch two local privilege escalation vulnerabilities (CVE-2025-32462, CVE-2025-32463) that have been disclosed on Monday. Google patches actively exploited Chrome (CVE‑2025‑6554) Google has released a security update for Chrome to address a zero‑day vulnerability (CVE-2025-6554) … More → The post Week in review: Sudo local privilege escalation flaws fixed, Google patches actively exploited Chrome appeared first on Help Net Security.
http://news.poseidon-us.com/TLm3Vz