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#Cybersecurity

Every published note connected to Cybersecurity.

8 articles

Google Selfie Sign-In vs Passkeys: What Actually Saves You When You’re Locked Out?
Technology·18 August 2026

Google Selfie Sign-In vs Passkeys: What Actually Saves You When You’re Locked Out?

Google’s new selfie-video sign-in is a recovery tool, not a replacement for passkeys. Here is how passkeys, selfie video, recovery contacts, email, and phone fit together—and which failure each one covers.

11 min readRead article →
The New York Stock Exchange trading floor, representing relative moves across U.S.-listed stocks
Investing·17 August 2026

Monday US Catch-Up Watch: FTNT and F5 Get a Real Test, but Premarket Still Doesn’t Count

Fortinet and F5 still carry genuine cybersecurity peer gaps into Monday, but Friday broke the first Fortinet bounce and neither stock has earned a catch-up entry. A firmer tech backdrop makes today a useful confirmation test, not a reason to front-run it.

11 min readRead article →
Public TLS Certificates Now Max Out at 200 Days—Are Your Renewals Ready for 100?
Technology·16 August 2026

Public TLS Certificates Now Max Out at 200 Days—Are Your Renewals Ready for 100?

Publicly trusted TLS certificates issued since March 15, 2026 can last at most 200 days, and the ceiling falls to 100 days on March 15, 2027. Here is who needs to change, who probably does not, and how to test certificate automation now.

11 min readRead article →
The New York Stock Exchange trading floor, representing relative moves across U.S.-listed stocks
Investing·16 August 2026

Sunday US Catch-Up Reset: FTNT and F5 Still Lag, but Monday Must Confirm It

Sunday adds no new U.S. cash-session evidence, so Fortinet and F5 remain the only clean unresolved catch-up watches. Both still lag cybersecurity peers over medium windows, but neither has earned a Monday entry yet.

10 min readRead article →
The New York Stock Exchange trading floor, representing relative moves across US-listed stocks
Investing·14 August 2026

US Catch-Up Watch for August 14: FTNT Finally Bounces, but F5 and UPS Still Say Wait

Fortinet finally bounced against cybersecurity peers, while F5 and UPS still lag. The screen still requires a second session of relative-strength confirmation.

11 min readRead article →
Windows 11 Now Supports Secure External Fingerprint Readers—But “Windows Hello Compatible” Isn’t Enough
Consumer Technology·12 August 2026

Windows 11 Now Supports Secure External Fingerprint Readers—But “Windows Hello Compatible” Isn’t Enough

Windows 11 is rolling out Enhanced Sign-in Security support for external fingerprint readers. Here is how to tell whether a USB reader can keep ESS enabled, what happens if it cannot, and what to check before buying one.

9 min readRead article →
AI Browser Prompt Injection Explained: How a Webpage Can Hijack an Agent
Technology·7 August 2026

AI Browser Prompt Injection Explained: How a Webpage Can Hijack an Agent

Agentic browsers can read untrusted web content and act inside logged-in accounts. Here is how indirect prompt injection works, why traditional browser boundaries are not enough, and a practical way to limit the risk.

11 min readRead article →
A home office used by Microsoft to illustrate Windows 10 Extended Security Updates
Technology·3 August 2026

Windows 10 ESU Now Runs to 2027—What Actually Changed?

Microsoft extended consumer Windows 10 ESU through October 12, 2027. Here is what the extra year covers, who qualifies, and how to decide what to do next.

8 min readRead article →
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