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.

証明書認証局(CA)のLet's Encryptが、公開鍵の証明書の失効状態を取得する通信プロトコルであるオンライン証明書状態プロトコル(OCSP)のサポートを終了することを明らかにしました。 Let's Encryptのエグゼクティブディレクター兼共同創設者であるジョッシュ ...

Everyone's pro-encryption these days, unless they're part of the surveillance state. But cryptography is hard, and good cryptography tends to be both hard and expensive. As a result, only a small ...

TLSに必要な証明書を無料で発行してくれる世界最大の認証局「Let's Encrypt」が、2025年内に有効期限が6日間しかない「短期証明書」の発行を開始すると発表しました。短期証明書では、ドメインの代わりにIPアドレスの検証を可能にするオプションも用意さ ...

The Let's Encrypt project issued the first IP certificate last week. It first wants to gain experience with it before general availability follows later in the year. Let's Encrypt announced this in an ...

Let's Encrypt will revoke over 3 million certificates on Wednesday, March 4th, due to a bug in their domain validation and issuance software. A bug in Let's Encrypt's certificate authority (CA) ...

Nonprofit certificate authority Let’s Encrypt hit a major milestone earlier this month: it issued its three billionth HTTPS certificate. The ISRG announced this week that Let’s Encrypt issued its ...

Last year, the Electronic Frontier Foundation along with Mozilla and Cisco launched an initiative called "Let's Encrypt" that promised to hand out free certificates anyone can use. Today, the team has ...