Bitcoin. Crypto currencies. You probably know computers are involved with this stuff, and computers use electricity. Did you know that the computing power needed to process a Bitcoin transaction may get so large that the electricity cost could outpace any revenue? Actually, that has already happened in some parts of the world where electricity is … Continue reading #9 – Is Bitcoin Dead? The Small, Cold Truth.
We have a great show today, mostly about what NOT to do! There are several manufacturers and providers, and HUNDREDS of products, that you need to avoid, including some big names
Understanding the Spectre and Meltdown vulnerabilities is complicated, so we use an old Gwyneth Paltrow movie to help explain why this is happening.
The biggest, most invasive, ransomware outbreak in history is underway. It’s called WannaCry, and it has infected computers in at least 74 countries, primarily in Russia. The Securelist cyber security website reported that there have been more than 45,000 attacks worldwide, but added, “It’s important to note that our visibility may be limited and incomplete and the … Continue reading What to do NOW to Avoid Massive Ransomware Attack
A security vulnerability has been found in Visa Cards which does not exist in MasterCard. Basically, it involves the number of times you can try to process a transaction with an incorrect expiration date (or CVV). Visa allows multiple attempts to process a transaction, and Mastercard allows only 10 attempts before the transaction is blocked … Continue reading Security Flaw Found in Visa (But Not MasterCard)
If you use an Android smartphone, you may have a new strain of malware that was discovered today by Checkpoint Security. It’s called “Gooligan” and it has infected approximately