IT之家 12 月 2 日消息，免费证书颁发机构 Let's Encrypt 今日宣布：到 2028 年，其公信 TLS 证书有效期将从 90 天减半至 45 天。 同时，Let's Encrypt 将同步推出 DNS-PERSIST-01 持久验证 —— 只需一次性在 DNS 设置 TXT 记录，往后续期可直接复用，无须再自动修改 DNS。

January 27, 2014 Add as a preferred source on Google Add as a preferred source on Google Encryption, at its core, is similar to those decoder rings you played with when you were younger. You have a ...

In 1996, I registered my first website, Vaughan-Nichols & Associates. After setting up the site, one of the first things I did was to secure connections with a Secure Sockets Layer (SSL) certificate.

Securing your business website with HTTPS isn't just a good idea, it's a necessity. Google Chrome now marks HTTP payment and login pages and search pages as insecure if they're not using HTTPS.

Using a plug-in for the popular Windows text editor, Notepad++, you can easily encrypt selected text and entire text files. Ed Rhee Ed Rhee, a freelance writer based in the San Francisco Bay Area, is ...

Curious about the security of your documents in the cloud? You’re not alone. We recently received an email from Dana in Marietta, Ga., who is asking this, "I just read your article on saving documents ...

Flash drives, or thumb drives, are portable devices that provide easy access to flash storage. Commonly used to take backups, transfer files between devices, and install operating system images, these ...

Abrham Sorecha asked how to password-protect a folder. You can’t effectively password-protect a folder without encrypting it. And strictly speaking, you can’t ...

Privacy Please is an ongoing series exploring the ways privacy is violated in the modern world, and what can be done about it. Cooper Quintin, a security researcher ...

The laptop you’re working on might cost only a few hundred bucks, but if you use it to work with sensitive data–especially personal or business-related information–the data it contains is worth far ...