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 not.
Why does this matter? Because if a computer can make an unlimited number of attempts, then it can try different numbers until it guesses the correct number. In this case, criminal that illegally purchased a 16-digit credit card number can (literally) guess different month/year combinations until they find correct information. On average, there are roughly 60 likely month/year combinations that are available for a valid Visa card at any given time. 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 Continue reading “How To Check if Your Android Is Infected With New Google Malware “Gooligan””
If you had a Yahoo account in 2014, you should read this to find out what happened, and what you can do about it. The bottom line is, the advice that Yahoo is giving their users is not nearly enough to protect from the scale of this data breach.
The timeline seems to suggest that much of the damage may have already been done because the information has been on sale in the Deep Web for at least two months, or longer. The Yahoo breach, originally thought to have occurred in 2012, actually occurred in Continue reading “The Yahoo! Breach – What Happened, What You Can Do, and Why”
In the last few days, the US Government both mandated and rejected the same method of cybersecurity.
It’s called Second Factor Authentication, specifically a One Time Passcode (OTP) sent by Short Message Service (SMS). So, together, its a “SMS OTP,” which is basically what happens when you receive a 4 to 6-digit security code to your cell phone as a text message after you enter your username and password. You must enter this security code (usually) on the same screen where you entered your username and password as an extra factor of security to complete online registration and/or to sign in to an account. The shorthand for all of this is sometimes referred to as Continue reading ““Cyberschizophrenia” in the US Government”
Tired of all of the rules that you have to follow everyday just to be online? The internet was easier … Continue reading New Book Released Today With Simple Tips for Everyday Online Security