Computer Security 161 Cryptocurrency Lecture

On the Dangers of Cryptocurrencies and the Uselessness of Blockchain

Earlier this month, I and others wrote a letter to Congress, basically saying that cryptocurrencies are an complete and total disaster, and urging them to regulate the space. Nothing in that letter ...

De-anonymizing Bitcoin

Andy Greenberg wrote a long article — an excerpt from his new book — on how law enforcement de-anonymized bitcoin transactions to take down a global child porn ring. Within a few ...
Lichtenstein and Morgan bitcoin hack

Lichtenstein and Morgan: The Stolen Virtual Currency Laundry

If you’ve been scratching your head while you read about the money laundering escapades of Ilya Lichtenstein and his wife Heather Morgan, let me assure you that you are not alone. The ...
Security Boulevard

Wire Fraud Scam Upgraded with Bitcoin

The FBI has issued a bulletin describing a bitcoin variant of a wire fraud scam: As the agency describes it, the scammer will contact their victim and somehow convince them that they ...

I Am Not Satoshi Nakamoto

This isn’t the first time I’ve received an e-mail like this: Hey! I’ve done my research and looked at a lot of facts and old forgotten archives. I know that you are ...
A Three-Episode DDoS Ransom Attack Prologue

A Three-Episode DDoS Ransom Attack Prologue

DDoS attacks are becoming a part of ransom attacks. Instead of infiltrating secure organizational assets, attackers are launching devastating attacks The post A Three-Episode DDoS Ransom Attack Prologue appeared first on Radware ...
The Role of Cryptocurrency in Ransomware Attacks

The Role of Cryptocurrency in Ransomware Attacks

Ransomware attacks are on the rise and have recently been front page news with attacks on the Colonial Pipeline, JBS Food and Kaseya. This ever-evolving malware can encrypt your files and block ...

Disrupting Ransomware by Disrupting Bitcoin

Ransomware isn’t new; the idea dates back to 1986 with the “Brain” computer virus. Now, it’s become the criminal business model of the internet for two reasons. The first is the realization ...
Cyber Security Roundup for July 2021

Cyber Security Roundup for July 2021

    A roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, June 2021.How was UK Government Building CCTV Leaked?The Sun newspaper ...

Identifying the Person Behind Bitcoin Fog

The person behind the Bitcoin Fog was identified and arrested. Bitcoin Fog was an anonymization service: for a fee, it mixed a bunch of people’s bitcoins up so that it was hard ...