Guides

Twelve original, deeply researched articles, each 6 to 9 minutes, on protecting your accounts and understanding your public footprint. Every guide states its scope, tests its advice against live behaviour, and shows both a published and updated date.

• Aug 12, 2026 · 8 min read · privacy

  Your 30-Minute Personal Data Audit: Find and Fix Exposures Before Attackers Do

  A focused, repeatable checklist to discover where your email, usernames and personal details are exposed, and exactly what to lock down in the next half hour.

• Jul 28, 2026 · 9 min read · email

  SPF, DKIM and DMARC Explained: Why Your Emails Land in Spam, or Get Spoofed

  How email authentication actually works, what each DNS record does, how to verify them in minutes, and the minimal setup that stops exact-domain spoofing.

• Jul 2, 2026 · 8 min read · breaches

  Your Email Appeared in a Data Breach, Now What?

  A practical, step-by-step playbook for reacting to a breach exposure: which passwords to change first, how to detect account takeovers, and how to prevent a repeat.

• Jun 25, 2026 · 8 min read · privacy

  Data Brokers and People-Search Sites: How They Got Your Address and How to Opt Out

  Where brokers source names, addresses and relatives, why paywalled lookups respect removal requests, and a step-by-step opt-out workflow that actually shrinks your exposure.

• Jun 18, 2026 · 7 min read · passwords

  Passphrases and Password Managers: Your First Real Defence

  Why length beats complexity, how password managers eliminate reuse, and a simple method for building memorable passphrases that survive billions of guesses per second.

• Jun 5, 2026 · 7 min read · 2FA

  SIM Swap Protection: Why Text Codes Fail and How to Harden Your Phone Number

  How SIM swaps work, why they defeat SMS-based 2FA, and a layered setup, carrier PIN, app codes, hardware keys, that removes your number as a single point of failure.

• May 27, 2026 · 8 min read · 2FA

  Two-Factor Authentication Explained (and Which Kind to Pick)

  SMS codes, authenticator apps, push prompts and hardware keys compared, how each second factor works, how attackers defeat them, and the right choice for every budget.

• May 15, 2026 · 8 min read · social engineering

  Social Engineering Defense: How Attackers Turn Public Details Into Access

  The anatomy of a modern social-engineering attempt, pretext, authority, urgency, and the low-effort habits that break the chain at each stage.

• Apr 30, 2026 · 9 min read · osint

  OSINT for Beginners: What the Internet Already Knows About You

  An ethical introduction to open-source intelligence: the free techniques investigators use to map a digital footprint, and how to run the same checks on yourself defensively.

• Apr 10, 2026 · 8 min read · dns

  DNS Security Explained: From Lookup to DNSSEC and Encrypted DNS

  What happens between typing a domain and reaching a server, how attackers poison or snoop on that path, and the practical protections that actually help, DNSSEC, DoH and DoT.

• Mar 22, 2026 · 7 min read · privacy

  Browser Fingerprinting: How Sites Recognize You Without Cookies

  Cookies are the tip of the tracking iceberg. How fingerprinting works, what signals your browser broadcasts, and realistic defences that don't break the web.

• Feb 14, 2026 · 6 min read · wifi

  Public Wi-Fi and VPNs: What Actually Protects You Now

  HTTPS changed airport Wi-Fi from a minefield to a moderate risk. What still threatens you on shared networks, what VPNs genuinely fix, and how to configure a trustworthy setup.