https://sudonull.com/phishing-on-developers-certificates-and-risks
Learn how hackers deceive developers through Slack and fake certificates. Analysis of attacks, protection and consequences for Open Source. Read security tips right now.
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In this project
https://sudonull.com/automation-of-tls-certificates-in-angie-with-acme-module-guide
Learn how to set up automatic obtaining and renewal of TLS certificates in the Angie web server with the ACME module. Detailed instructions for developers.
https://sudonull.com/x-509-certificates-asn-1-and-generation
Breakdown of X.509 structure, DV/OV/EV types, trust chains. openssl, keytool, certbot commands for middle/senior dev. Create your own PKI — instructions inside.
https://sudonull.com/firefox-optimization-on-windows-xp-512-mb
Set up browsers, certificates and dual-boot for old PCs on XP. Instructions for MyPal, K-Meleon, Linux+Wine. Speed up the system without upgrade — read the guide for developers.
https://sudonull.com/windows-kernel-policy-only-whcp-drivers-from-2026
Microsoft tightens driver trust in Windows 11 and Server 2025 kernel. Rejection of outdated certificates, audit mode, AppLocker. Details of changes for developers and admins — read and prepare.
From other projects
https://ymaho.com/tokenized-spacex-ipo-from-bybit-and-kraken-access-to-shares-without
Bybit and Kraken launched tokenized certificates for SpaceX ahead of its Nasdaq listing. Invest from $135 without a brokerage account, but learn about the risks of tracker certificates. Detailed analysis.
https://ymaho.com/pre-ipo-crypto-tokens-how-early-share-access-works
Learn how crypto exchanges let everyday investors buy pre-IPO share certificates. Understand implied valuations, 100% unlocks, and pre-market trading risks.
https://ymaho.com/certificate-of-no-criminal-record-via-mfc-instructions
Step-by-step instructions: how to obtain a certificate of no criminal record via MFC. Deadlines, documents, nuances for visas. Book online and save time.
https://ymaho.com/china-delays-airbus-certification-causes-and-consequences
China blocks Airbus deliveries due to C919 certification in the EU. Losses — 5 billion euros, 20 aircraft frozen. Analysis of causes and market forecast. Read more.
From the web
Free Printable Certificate Templates — Editable in Word & PDF...
https://www.printablesample.com/certificates.html
Jun 26, 2026 · Whether you need a certificate of achievement, award certificate, appreciation certificate, or a completion certificate for school, business, sports, or events, this collection offers a wide variety of free printable certificate templates suitable for any purpose.
Free Certificate Maker Online — No Sign Up, No Account Required...
https://www.clevercertificates.com/free-certificate-maker
From blank page to print-ready certificate in three easy steps — no design skills needed. Browse professional certificate templates for schools, businesses, martial arts dojos, churches, events, and awards. Filter by category to find the perfect design.
Free Certificate Templates | Adobe Express
https://www.adobe.com/express/templates/certificate
Adobe Express offers many certificate templates including completion, appreciation, participation, awards, graduation, internship, medical, and school certificates in various styles.
Certificate Templates (Customizable + Free To Download) - Kapwing
https://www.kapwing.com/templates/certificates
Create professional certificates with free, customizable template designs. Perfect for recognition, courses, or awards. Easy to edit, download, print, and share.
Free Printable Certificate Templates | Greetings Island
https://www.greetingsisland.com/products/certificates
Create professional certificates for free. Customize printable templates for awards, appreciation, diplomas, and employee of the month. Download as PDF or image.
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