Ofer A. Lidsky is an entrepreneur with over 30 years of experience and is the founder and CEO of Excellent Brain. In today’s digital age, data encryption is vital for protecting sensitive information.

There is now a one-word answer to whether a Messages thread is private. Apple’s iPhone guide for iOS 27 says that “when a conversation is end-to-end encrypted, you see Encrypted at the top of the ...

June 29, 2026 Add as a preferred source on Google Add as a preferred source on Google Earlier in May, the Texas Attorney General’s office sued Meta for deceiving users on the level of security offered ...

Block ciphers are invertible symmetric key cryptographic algorithms. Here, symmetric means that the same cryptographic key is used to both encrypt and decrypt messages. The key is used to transform ...

One of the many benefits of using iMessage is that you know your conversations are always end-to-end encrypted. That level of security has never previously extended to green bubble conversations. But ...

Chris Thomas was a reporter at Android Police from 2022 until 2025. Google is pressing forward with the evolution of RCS by quietly rolling out tests for Messaging Layer Security (MLS), the protocol ...

Your iPhone RCS chats with Android are encrypted in iOS 26.5: How to verify E2E is enabled ...

Cipher block chaining (CBC) is a mode of operation for a block cipher-- one in which a sequence of bits are encrypted as a single unit, or block, with a cipher key applied to the entire block. Cipher ...