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.
Artificial Intelligence
Cybersecurity & Privacy
What is the smallest access that still lets a phone-controlled agent complete a booking?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Does a calendar connection let an agent invite other people, or only read your day?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Which memory do you delete when a project ends: the chat, the saved routine, or the logged-in browser profile?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
What do you disconnect first if you think an agent was tricked: the chat channel, the saved login, or the API key?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
How do you see, after the fact, which account an agent actually used?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
For a research job, is a browser with no logins enough, or do you need your real session?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Should the agent that reads the web be a different agent from the one allowed to send mail?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Is a phone notification enough, or can the agent take the next step before you read it?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Does an approval button before "send" stop a bad message, or only delay it?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
If an agent can open your password manager, what can a hostile web page make it do?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Which accounts are reasonable to connect on the first day, and which should stay human-only?
Lena Kowalski
October 7, 2026
Homelab
Password Managers
How long does the Vaultwarden app keep working on a phone if the server is off for a week?
Lena Kowalski
October 7, 2026
Artificial Intelligence
Cybersecurity & Privacy
Can you trust an agent with the login to your email, or only with a draft it cannot send?
Lena Kowalski
October 7, 2026
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
Tailscale vs Traditional VPN: The Real Trade-offs
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