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How to Configure UFW Firewall on Linux

How to Configure UFW Firewall on Linux

UFW makes iptables manageable — but most tutorials skip the IPv6 caveat that leaves half your firewall off. Here's the full setup.

Frank Line Tech

3 Apr 2026 4 min read

How to Configure uBlock Origin: Beyond the Defaults

How to Configure uBlock Origin: Beyond the Defaults

Most people install uBlock Origin and never touch it again. That leaves a lot of privacy protection on the table. Here's how to configure it properly — filter lists, medium mode, dynamic filtering

Frank Line Tech

3 Apr 2026 5 min read

Dark browser window outline containing puzzle-piece extension icons, one piece shown under a magnifying glass revealing a circuit pattern beneath its surface.

How to Audit Your Browser Extensions

Most people have extensions they installed years ago and haven't thought about since. Here's how to go through them systematically and cut what shouldn't be there.

Frank Line Tech

3 Apr 2026 5 min read

Laptop glowing in a dark room displaying an abstract warning notification with fragments of cracked data icons floating around it

First 24 Hours After a Data Breach

You got a breach notification email. Or you saw your email address in a news story. Or someone told you the company you use got hit. Here's what

Frank Line Tech

2 Apr 2026 7 min read

First 24 Hours with GrapheneOS: What to Actually Do After Flashing

First 24 Hours with GrapheneOS: What to Actually Do After Flashing

You flashed GrapheneOS. Now what? This covers the actual setup sequence — verification, lock screen, the Google Play decision, browser choice, and the permission pass that makes the whole thing worthwhile.

Frank Line Tech

2 Apr 2026 5 min read

Hand holding a phone in the dark showing a repeated MFA push notification, with faded duplicate alerts stacked behind it

Why MFA Isn't Enough — and What Attackers Do When It Fails

MFA stops most attacks. Not all. Here's what attackers do when they can't beat your second factor — and what actually makes accounts hard to compromise.

Frank Line Tech

2 Apr 2026 6 min read

CVE-2026-1357: WPvivid Backup Plugin Flaw Lets Attackers Upload Webshells Without Logging In

CVE-2026-1357: WPvivid Backup Plugin Flaw Lets Attackers Upload Webshells Without Logging In

CVE-2026-1357 is a 9.8-rated unauthenticated remote code execution vulnerability in the WPvivid Backup & Migration plugin, installed on roughly 800,000 WordPress sites. An attacker can write a PHP

Frank Line Tech

11 Mar 2026 4 min read

Crypto Thieves Are Mailing Letters Now. Your Address Came From a Breach.

Crypto Thieves Are Mailing Letters Now. Your Address Came From a Breach.

Trezor and Ledger users have been receiving physical letters with QR codes designed to steal seed phrases. The addresses came from breach data that's been circulating since 2020 — and refreshed by a second leak in January 2026.

Frank Line Tech

10 Mar 2026 5 min read

Going Passwordless in 2026: What Actually Works, and What Still Doesn't

Going Passwordless in 2026: What Actually Works, and What Still Doesn't

Passkey adoption has hit real numbers — 800 million Google accounts, Amazon's 175 million users, Microsoft making them the default. Here's what going passwordless actually looks like in practice, and where the friction still is.

Frank Line Tech

9 Mar 2026 5 min read

The First 24 Hours on a New VPS

The First 24 Hours on a New VPS

Six things to run on any fresh Ubuntu or Debian VPS before you do anything else — in the correct order, with the reasoning behind each step.

Frank Line Tech

9 Mar 2026 6 min read

CrowdSec terminal showing active ban decisions with network threat intelligence visualization

CrowdSec: Open-Source IPS With a Crowd-Sourced Brain

CrowdSec is a free, open-source intrusion prevention system that shares threat intelligence across every instance running globally. This guide covers installation, bouncers, configuration, and everything in between.

Frank Line Tech

1 Mar 2026 16 min read

Browser developer tools showing a highlighted API key in page source, with a generative AI interface visible in the background

Google API Keys Were Public by Design. Then Gemini Arrived

Google told developers their API keys weren't secrets — and they were right, until Gemini launched on the same key infrastructure. Truffle Security found 2,863 exposed keys in the wild, including on Google's own websites.

Frank Line Tech

28 Feb 2026 3 min read

6 Everyday Devices That Track You — And What to Do About It

6 Everyday Devices That Track You — And What to Do About It

You already know your phone tracks you. That's table stakes at this point. But what about your car? Your smart TV? The robot vacuum quietly circling your living

Frank Line Tech

28 Feb 2026 7 min read

Ring's Super Bowl Ad Was a Feel-Good Story. The Tech Behind It Might Be Something Else

Ring's Super Bowl Ad Was a Feel-Good Story. The Tech Behind It Might Be Something Else

Ring ran a Super Bowl ad this year about finding lost dogs. The technology they were advertising scans your neighborhood's cameras in real time using AI, it'

Frank Line Tech

24 Feb 2026 4 min read

How to Remove Yourself From Data Broker Sites (And Keep It That Way)

How to Remove Yourself From Data Broker Sites (And Keep It That Way)

Search your name in quotes. Add the city you grew up in. Add the city you live in now. Hit enter. If you haven't done this in a

Frank Line Tech

23 Feb 2026 6 min read

CVE-2026-24061: GNU InetUtils telnetd Authentication Bypass to Root

CVE-2026-24061: GNU InetUtils telnetd Authentication Bypass to Root

GNU InetUtils telnetd through version 2.7 contains an authentication bypass that gives an unauthenticated remote attacker a root shell in a single command. NIST scored it 9.8 Critical.

Frank Line Tech

23 Feb 2026 3 min read

Your Browser Has a Face. Advertisers Know It.

Your Browser Has a Face. Advertisers Know It.

In 2019, Google published a blog post calling browser fingerprinting "wrong." Their exact words: it "subverts user choice." They positioned themselves as advocates for a more

Frank Line Tech

23 Feb 2026 5 min read

The Devices in Your Home Are Listening — Here's What They Actually Do With It

The Devices in Your Home Are Listening — Here's What They Actually Do With It

Something about the Apple settlement that doesn't get discussed enough: the conversations Siri captured weren't edge cases. They were the kind that happen when you forget

Frank Line Tech

22 Feb 2026 4 min read

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