https://rynexor.com/insights/ Technical writing on security testing, measurement, and search visibility. en Mon, 03 Aug 2026 00:00:00 +0300 https://rynexor.com/notes/how-to-scope-a-penetration-test/ https://rynexor.com/notes/how-to-scope-a-penetration-test/ Mon, 03 Aug 2026 00:00:00 +0300 A useful penetration test starts with a written scope: systems in and out, rules of engagement, evidence format, and what happens if something serious appears mid-week. Without that, you buy a PDF that nobody can act on. https://rynexor.com/notes/vulnerability-scan-vs-penetration-test/ https://rynexor.com/notes/vulnerability-scan-vs-penetration-test/ Tue, 28 Jul 2026 00:00:00 +0300 A vulnerability scan finds known issues with signatures and checks. A penetration test attempts to exploit and chain weaknesses the way an attacker would. If you need prioritised, reproducible impact against your environment, you need a test, not a renamed scan. https://rynexor.com/notes/dmarc-reject-what-breaks/ https://rynexor.com/notes/dmarc-reject-what-breaks/ Tue, 21 Jul 2026 00:00:00 +0300 Moving DMARC to reject stops spoofed mail from being delivered as you, and it also stops legitimate systems that send with your domain but fail alignment. Read aggregate reports until the only failing sources are ones you are willing to break, then flip. https://rynexor.com/notes/google-ads-roas-vs-revenue/ https://rynexor.com/notes/google-ads-roas-vs-revenue/ Tue, 14 Jul 2026 00:00:00 +0300 ROAS inside Google Ads measures platform-attributed conversion value against spend. It can rise while cash revenue falls when attribution windows, brand queries, imported offline conversions, or inflated conversion values drift from what finance books. https://rynexor.com/notes/landing-pages-before-more-ad-spend/ https://rynexor.com/notes/landing-pages-before-more-ad-spend/ Tue, 07 Jul 2026 00:00:00 +0300 If conversion rate, message match, and page speed are weak, raising budget amplifies waste. Tighten the offer, proof, and load time against the query you are buying, then scale. Spend is a multiplier, not a strategy. https://rynexor.com/notes/what-geo-changes-on-your-site/ https://rynexor.com/notes/what-geo-changes-on-your-site/ Tue, 30 Jun 2026 00:00:00 +0300 Generative engine optimisation improves the odds that answer engines cite you by making pages explicit: a self-contained answer near the top, structured headings, honest dates, and entity clarity. It does not replace technical SEO or invent authority you have not earned. https://rynexor.com/notes/technical-seo-debt-kills-traffic/ https://rynexor.com/notes/technical-seo-debt-kills-traffic/ Tue, 23 Jun 2026 00:00:00 +0300 Organic declines often trace to technical debt: parameter sprawl, conflicting canonicals, slow templates, orphan pages, and soft errors that waste crawl budget. Find what search engines actually index, compare it to what you meant to publish, then delete or fix the gap. https://rynexor.com/notes/why-b2b-social-calendars-fail/ https://rynexor.com/notes/why-b2b-social-calendars-fail/ Tue, 16 Jun 2026 00:00:00 +0300 B2B social programmes fail when success is defined as posting cadence. Useful programmes define who they need to reach, what proof those people need, and which metrics show movement toward revenue. Volume without a commercial thread is busywork. https://rynexor.com/notes/ecommerce-checkout-leaks-paid-traffic/ https://rynexor.com/notes/ecommerce-checkout-leaks-paid-traffic/ Tue, 09 Jun 2026 00:00:00 +0300 Paid traffic often dies in checkout: surprise costs, forced accounts, slow payment widgets, and error states that erase the cart. Fix measurement of each step, then remove the leaks before you buy more sessions. https://rynexor.com/notes/security-tooling-nobody-uses/ https://rynexor.com/notes/security-tooling-nobody-uses/ Tue, 02 Jun 2026 00:00:00 +0300 Shelfware appears when tools are bought for a slide, not for an owner with a weekly habit. Choose fewer systems, integrate them into the path people already work, and measure use. Coverage you cannot operate is not coverage.