Venkatarangan (வெங்கடரங்கன்) blog
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Technology

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In Coding

A trip down memory lane to assembly and hex

3 Mins Read
Binary code

Glancing through the FREE book “Reverse Engineering for Beginners”, brought a lot of fun memories that I had with assembly language and doing Hex dump of executables. Sharing two examples below: 1. My first freeware (downloaded by thousands) around 1996-97 was EasyPass. It removed (!) the password from a #Microsoft #Access Jet 95 MDB database files. It helped those who had forgotten password, or, that’s what I naively believed then. Believe it or not – it was just a matter of flipping (XOR encryption) a few bytes of hex values, you needed to know which bytes, that’s all. A whole…

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Hacking
In Lounge

Impunity of online data breaches

3 Mins Read

This is a follow-up to my earlier post “Be aware of online data breaches” written on 5th June 2019. Five years ago, in 2014 when two major cybercrimes happened, the stealing of 100 million credit card data at Target and…

In Lounge

To limit our usage of social media or not?

3 Mins Read
Facebook, Twitter, Pinterest and Linkedin - Social Media

Pretentious and banal was how I felt whenever I heard people removing Facebook & other social apps from their phones. But in the last few weeks, I have seen my view gradually shifting on this subject. No specific reason or a single incident led to this shift. I was noticing that I was defaulting to Facebook or WhatsApp or Instagram many times during the day, after finishing the job on hand I was visiting Facebook and WhatsApp as a habit. It became obvious that I was wasting my time (the most precious asset for humans) – it was a time…

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