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)
How To Check if Your Android Is Infected With New Google Malware “Gooligan”
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
The Yahoo! Breach – What Happened, What You Can Do, and Why
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 … Continue reading The Yahoo! Breach – What Happened, What You Can Do, and Why
“Cyberschizophrenia” in the US Government
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 … Continue reading “Cyberschizophrenia” in the US Government
New Book Released Today With Simple Tips for Everyday Online Security
Tired of all of the rules that you have to follow everyday just to be online? The internet was easier once, but now it seems like we spend half of our computer time worrying about hackers, thieves, viruses, and other online traps. It’s time for a new approach. It’s time for intuitive, reasonable habits to … Continue reading New Book Released Today With Simple Tips for Everyday Online Security
Second Stagefright Attack (Averted?)
A serious vulnerability was discovered today with a common picture file type called “Tagged Image File Format, or TIFF. It is an older type of file, but you probaly have many of then somewhere in your computer right now. Every now and then, a new way to hack a computer is discovered before any bad … Continue reading Second Stagefright Attack (Averted?)
DIY CyberGuy with David W. Schropfer 