[Book 2] Turritopsis Dohrnii Teo En Ming

Subject: [Canonical Whitepaper 2025] A guide to infrastructure hardening: Best practices to improve the security posture of your Linux-based infrastructure deployments Good day from Singapore, Thank you Canonical for the hardening guide. I have managed to download the PDF document. The hardening guide link is at https://scontent.fsin4-1.fna.fbcdn.net/m1/v/t0.50684-6/An-QPxv9ZNZZ0c11iGB1pyzPfjxKJTjG8Qz0xNpoXiWxz7mIOHBCV9BZbjzXGXqwrCzW5-zkTwrbdjgZEpsdbV0EOLaxMDQ3sYm0D-WnUVR83NaeyS63c-0QDBKUUA/A+guide+to+infrastructure+hardening+(1).pdf?_nc_oc=AdnUaZXrZzBSawbBa2Fdg6N5_1_pDIQHxwjLwbg58gNZaqKmB7Vi3nsddN8bjL-7Eqo&ccb=10-5&oh=00_AfmDyrFxB28d4GRqI-kzzMydIet7jkJbDzDEFn0DBru9Dg&oe=6962CB92&_nc_sid=de6fe6 Very useful for anyone who wishes to harden their Ubuntu Linux servers. Thank you. Regards, Mr. Turritopsis Dohrnii Teo En Ming Singapore 12 Dec 2025 Friday 11.09 am Singapore Time REFERENCES ============ [1] https://lists.ubuntu.com/archives/ubuntu-users/2025-December/315396.htm...

Subject: Did APT hackers hack into my Android (Linux) phone on the morning of 11 Dec 2025 Thursday again? Good day from Singapore, Presently I am using Oppo Reno10 Pro 5G Android (Linux) phone, which costs SGD$328 when bought 2nd hand. The Android version is 15 and the Linux Kernel version is 5.4.254-qgki-gad23bb5301e8. I have record that I woke up at 9.07 AM this morning. When I woke up, I saw there was an unauthorized Google search on my Android (Linux) phone. Google app on my Android (Linux) phone reports: ================================================ AI mode Searched for A patch is available for CVE-2025-48633, see the Git at Google link Details Today at 08.57 AM AI mode A patch is available for CVE-2025-48633, see the Git at Google link Why this activity? This activity was saved to your Google Account because your Web & App Activity setting was on while using AI mode. Manage If you use a shared device or sign in with multiple accounts, activity from another account may appe...

Subject: ArcServe UDP 10.3 backup software utilizes both Apache HTTP Server (Apache/2.4.65 (Win32)) and OpenSSL 3.6.0 Good day from Singapore, I have just made an important discovery. Google AI Overview: Arcserve UDP utilizes both Apache HTTP Server and OpenSSL. These components are integral to the functionality of Arcserve UDP, particularly for its console, Recovery Point Server (RPS), and Windows Agent. Apache HTTP Server: This open-source web server is used within Arcserve UDP to deliver web content, likely for the management console and other web-based interfaces. OpenSSL: This open-source toolkit provides cryptographic functionalities, including SSL/TLS protocols, which are essential for secure communication within Arcserve UDP, such as data transfer and authentication processes. Arcserve regularly releases patches and updates to address vulnerabilities in these third-party components, ensuring the security and stability of Arcserve UDP. These updates often involve upgrading Apach...

Bought SonicEar Titan 2 USB-powered speakers for $12.90 at Challenger AMK Hub on 14 Dec 2025 Sunday evening

Migrated Windows 11 Home operating system from Transcend 2.5 inch SATA SSD 256 GB (degraded health status 56%) to Brand New Samsung 870 EVO SATA 2.5 inch 1 TB SSD (heath status 100%) on 13 Dec 2025 Saturday afternoon

Bought Samsung 870 EVO SATA 2.5 inch 1 TB Solid State Drive SSD ($229) and Orico 2.5 inch Hard Drive Enclosure ($10) at Sim Lim Square on 13 Dec 2025 Saturday afternoon