Compact timeline index of all technical writeups and research notes published on valmis.net.

› 2026

• 2026-09-22 OpenBSD in the Era of AI
  #openbsd #artificial-intelligence #cybersecurity #kernel #aeg #claude-mythos #pledge #unveil #tcp-sack
• 2026-09-22 From Y2K to AI
  #artificial-intelligence #y2k #technology #computing-history #society #critical-thinking
• 2026-09-22 OpenBSD: Every Mind is a World of Its Own
  #openbsd #karl #kernel #kaslr #cybersecurity #hardening #rop #memory-mitigation
• 2026-09-21 The Misplaced Panic: Fearing the Algorithm While Giving Away Our Soul to a Filter
  #artificial-intelligence #cybersecurity #privacy #biometrics #social-engineering #critical-infrastructure
• 2026-09-21 Why OpenBSD is the Most Secure Operating System for Critical Solutions
  #openbsd #cybersecurity #kernel #memory-mitigation #pledge #unveil #critical-systems #privsep
• 2026-09-16 The Biometric Trap of Playful AI: From Viral Filters to Identity Bypass
  #ai #cybersecurity #biometrics #privacy #deepfakes #kyc #social-engineering #byod
• 2026-09-16 Why Cheap NVRs Simply Do Not Belong on Our Network
  #cybersecurity #iot #nvr #surveillance #hardening #segmentation #firewall #networking #privacy
• 2026-09-16 TikTok Under the Technical Lens: What Are We Truly Exposed To?
  #Cybersecurity #Privacy #Hardening #OSINT #Telemetry #Mobile
• 2026-09-16 Zero Attack Surface and Technical Sovereignty: Why I Have Never Had Consumer Social Networks
  #Cybersecurity #Privacy #UNIX Philosophy #Deep Work #Hardening #Digital Sovereignty
• 2026-09-12 The Domestic and Corporate Trojan Horse: The Silent Exposure to the IoT Ecosystem
  #iot #cybersecurity #segmentation #networking #firewall #hardening #privacy #shadow-it
• 2026-09-12 Case Study: Modernizing Critical Infrastructure, Identity, and Appliance Decoupling at The Havorzone
  #case-study #openbsd #debian #zorinos #architecture #security #infrastructure #samba-ad #wireguard #pf
• 2026-09-12 The Illusion of Secrecy: Why Is Open Source the Security Standard for Critical Services?
  #security #open-source #cryptography #kerckhoffs #auditing #technological-sovereignty #philosophy
• 2026-09-10 Linux: My Private Life. OpenBSD: My Public Exposure
  #linux #openbsd #debian #security #architecture #sysadmin #philosophy
• 2026-09-10 Beyond the Interface: Why Every IT Professional Must Master at Least One Programming Language
  #programming #engineering #cybersecurity #infrastructure #systems #philosophy #python #golang
• 2026-09-10 From Navier-Stokes to Zero-Days: The New Era of AI Swarms and the Singularity in Cybersecurity
  #ai #cybersecurity #navier-stokes #zero-days #formal-verification #lean #architecture
• 2026-08-25 Offensive AI and Technical Debt: The Perfect Storm for Unprotected Businesses
  #cybersecurity #artificial-intelligence #threats #smb #social-engineering #infrastructure
• 2026-08-25 Cybersecurity in SMBs: Reputation, Regulatory Compliance, and Legal Liabilities
  #cybersecurity #smb #risk-management #compliance #legal #privacy
• 2026-08-24 If You Spend More on Coffee than on Cybersecurity, You Will Be Hacked
  #cybersecurity #security-culture #risk-management #infrastructure #opinion
• 2026-08-24 “I'm Not a Bank, I Don't Need That Much Security”
  #cybersecurity #risk-management #infrastructure #ransomware #opinion #networking
• 2026-08-24 Metasploit Framework in Lab: From Service Enumeration to Shell Capture and Packet-Level Detection
  #metasploit #offensive-security #pentesting #meterpreter #blue-team #packet-analysis
• 2026-08-24 Discrete Mathematics in Compilers: Automata, Syntax Trees, and Graph Coloring
  #mathematics #discrete-mathematics #compilers #graph-theory #automata #algorithms
• 2026-08-24 Discrete Mathematics in Cybersecurity: From Modular Arithmetic to Attack Graph Theory
  #mathematics #discrete-mathematics #cybersecurity #cryptography #graph-theory #algorithms
• 2026-08-24 Reverse Proxy and Load Balancing with OpenBSD relayd(8): Multi-Tenant Case Study for XYZ Corp
  #openbsd #relayd #networking #tls #sysadmin #reverse-proxy
• 2026-08-24 OpenPGP and GnuPG in Practice: Cryptographic Sovereignty, Signatures, and Secrets Management
  #openpgp #gnupg #gpg #cryptography #privacy #digital-signatures #git
• 2026-08-24 Anatomy of PHP CMS Vulnerabilities: Why WordPress and Joomla Remain the Weakest Link
  #php #wordpress #joomla #appsec #vulnerabilities #rce #sqli #static-sites
• 2026-08-24 Algebra in Computer Science: From Transformation Matrices to Finite Fields in AES
  #mathematics #algebra #cryptography #algorithms #computer-science
• 2026-08-23 Deterministic Edge Architecture: Isolation Diagrams and Least Privilege
  #architecture #openbsd #security #diagrams #performance
• 2026-08-22 Network Hardening & Segmentation with OpenBSD PF (Packet Filter)
  #openbsd #pf #networking #firewall #security #hardening
• 2026-08-20 Infrastructure Hardening in OpenBSD with Packet Filter (PF) and Pledge/Unveil
  #openbsd #security #firewall #pf #hardening