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The SilentSurf
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Security research, privacy deep-dives, product updates, and guides for staying safe online.

SecurityDeep Dive

How ISPs Track You (And What You Can Do About It)

Your Internet Service Provider has a front-row seat to everything you do online. Here's what they actually see, how they monetize that data, and the concrete steps you can take to limit their visibility.

Apr 2, 20258 min read
PrivacyDeep Dive

Browser Fingerprinting: The Tracking Method You Can't Block with Cookies

You cleared your cookies. You're using incognito mode. You think you're anonymous. Here's why you're probably not — and what browser fingerprinting actually captures about your device.

Mar 28, 20259 min read
More Articles
PrivacyGuide

The Case for a Password Manager (Even if You Think You Don't Need One)

If your passwords are longer than 8 characters and different for every site, you're already ahead of most internet users. Here's what "good enough" actually looks like — and where it falls short.

Mar 20, 2025· 6 min read
SecurityTechnical

WireGuard vs OpenVPN: Which VPN Protocol Should You Use?

Two of the most popular VPN protocols face off. We break down the technical differences, real-world performance, and which use cases each excels at.

Mar 14, 2025· 10 min read
SecurityGuide

Public Wi-Fi in 2025: Still Dangerous, Still Ignored

Coffee shop Wi-Fi has gotten a bad reputation. Some of it is outdated — HTTPS has changed the game. But real risks remain. Here's the current picture.

Mar 7, 2025· 6 min read
PrivacyDeep Dive

What Data Does Your Browser Actually Send to Google?

Chrome is the most popular browser on earth. It's also made by an advertising company. Here's a technical breakdown of what telemetry Chrome sends, and your alternatives.

Feb 28, 2025· 7 min read
SecurityGuide

How Phishing Attacks Work — And How to Spot One

Modern phishing has evolved far beyond Nigerian prince emails. AI-generated lures now mimic real companies with frightening accuracy. Here's how to recognize them before you click.

Feb 18, 2025· 8 min read
PrivacyDeep Dive

The Hidden Cost of "Free" Apps: Your Data

When a product is free, you are the product. But what does that actually mean in practice? We trace the data lifecycle of a typical free app from install to ad auction.

Feb 10, 2025· 9 min read