Lena is a cybersecurity researcher and writer who has spent years studying threat actors, data breaches, and the human side of online security. Previously an analyst at a European cybersecurity firm, she now translates dense security research into practical guidance that everyday readers can actually act on. She holds a CEH certification and speaks regularly at security conferences.
Cybersecurity & Privacy
Hardware Wallets vs Software Wallets: What the Crypto Breach Data Shows
Lena Kowalski
July 7, 2026
Artificial Intelligence
Security
Prompt Injection in Production: Untrusted Inputs Your Automation Still Forgets
Lena Kowalski
April 8, 2026
Cybersecurity & Privacy
What Regulators Get Wrong About Encryption Backdoors
Lena Kowalski
March 15, 2026
Cybersecurity & Privacy
What Happens When Your Password Manager Gets Compromised
Lena Kowalski
March 15, 2026
Cybersecurity & Privacy
Why Internal Tools Deserve Their Own Security Model
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
What Zero-Knowledge Proofs Could Mean for Everyday Privacy
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
Why End-to-End Encryption Isn't Enough for Private Messaging
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
Future of Society
What Cyber Warfare Treaties Have Completely Failed to Address
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
The Real Trade-offs of Running Tailscale Instead of a Traditional VPN
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
Smart Home
Why Your Robot Vacuum's Mapping Data Is a Privacy Question You Haven't Asked
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
Infrastructure & Systems
Why Your Router's Firmware Might Be the Biggest Security Risk in Your Home
Lena Kowalski
March 7, 2026
Cybersecurity & Privacy
Why Password Managers Are Still the Best Security Upgrade You Haven't Made
Lena Kowalski
March 1, 2026
Cybersecurity & Privacy
Gadgets & Consumer Tech
Why Your Wireless Earbuds Are Collecting More Data Than You Think
Lena Kowalski
March 1, 2026
Cybersecurity & Privacy
Gadgets & Consumer Tech
Why Your Browser Extensions Are a Security Risk You Ignore
Lena Kowalski
March 1, 2026