Inside the Lyceum/Hexane malware
Lyceum and Hexane are two industry designations for an APT group that was discovered in August 2019 and was operating without detection for at least a year...
Howard Poston
Howard Poston is a cybersecurity researcher with a background in cryptography and malware analysis. He has a Master’s degree in Cyber Operations from the Air Force Institute of Technology and two years of experience in cybersecurity R&D at Sandia National Labs. He currently provides consulting and technical content writing for cybersecurity, cryptocurrency, and blockchain.
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Proof of Stake
Blockchain technology is designed to create a distributed, decentralized and immutable digital ledger. Each node in the blockchain network maintains its own...
Proof of Work
Blockchain systems are a collection of decentralized nodes that maintain a shared digital ledger. Without a centralized authority, the blockchain network...
Targeting the Node
HTTP and other web standards define how computers are supposed to communicate with one another, not the software that is used to implement these communications....
Cybercrime at scale: Dissecting a dark web phishing kit
The internet is like an iceberg: there is a lot more to it than can be seen from the surface. In addition to the surface web (what can be accessed and indexed...
Lockphish phishing attack: Capturing Android PINs & iPhone passcodes over https
Phishing attacks are a common tactic for gaining initial access to a system. If an attacker can convince their target to hand over their login credentials...
Public-Key Cryptography in Blockchain
Public-key or asymmetric cryptography is one of the two main types of encryption algorithms. Its names come from the fact that it uses two different encryption...
Hash Functions in Blockchain
Hash functions are one of the most extensively-used cryptographic algorithms in blockchain technology. They are cryptographic (but not encryption) algorithms...
Blockchain Structure
The blockchain gets its name from its underlying structure. The blockchain is organized as a series of “blocks” that are “chained” together.
Understanding...
The business value of CompTIA CySA+ employee certification
The cybersecurity threat landscape is rapidly evolving, and cybercriminals are becoming more sophisticated. Traditional threat detection techniques that rely...