Abstract: Columnar transposition is a technique commonly used in text encryption to produce cipher text which is a permutation of its original text. In this study, the columnar transposition and ...

In early 2025, Forbes reports, investigators at the FBI served Microsoft with a warrant seeking the BitLocker encryption recovery keys for several laptops it believed held evidence of fraud in Guam’s ...

Microsoft handed over keys to BitLocker-encrypted data stored on its servers during an FBI probe last year, granting access to data on three separate laptops. BitLocker, a built-in data protection ...

Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to encode and decode messages using one of the oldest and most famous encryption ...

Operates Bitcoin mining facilities, generating revenue primarily through the production and sale of Bitcoin. Business model centers on cryptocurrency mining operations. Cipher Mining is a U.S.-based ...

The RansomHouse ransomware-as-a-service (RaaS) has recently upgraded its encryptor, switching from a relatively simple single-phase linear technique to a more complex, multi-layered method. In ...

Cipher Mining Inc (NASDAQ: CIFR) shares are gaining on Thursday. Here’s a look at what may be fueling the momentum. Cipher Mining shares are powering higher. Why are CIFR shares rallying? What To Know ...

Microsoft is killing off an obsolete and vulnerable encryption cipher that Windows has supported by default for 26 years following more than a decade of devastating hacks that exploited it and ...

CleanSpark (CLSK) and Cipher Mining (CIFR) were trading higher as J.P. Morgan raised its recommendation on the bitcoin miners. CLSK shares were +4.42% pre-market to $10.16, while CIFR was +4.59% to ...

Wall Street bank JPMorgan is sharpening its view on U.S.-listed bitcoin miners as a wave of high-performance computing (HPC) deals reshape business models and add long-term revenue clarity. The bank ...