Showing posts with label Intrusion. Show all posts
Showing posts with label Intrusion. Show all posts

Tuesday, April 26, 2016

Privacy: Unlist yourself from Truecaller

If you think the world of smartphones is any safer to tread without care, I would like to remind you the fact that terms like "internet never forgets" and "world wild web" apply to the internet whether you use it from a personal computer or a smartphone.

Truecaller is a mobile app available on google play, iOS and several other market places that uses a crowd sourced telephone directory to tell you the names of people who call you even if they are not in your phonebook. The company claims to 'partly' gather its data from public sources and partly 'crowdsources' it. The latter is, however, incorrect to the extent of being misguiding at best and fraudulent at worst.

Upon investigating the app and its modus operandi, it is obviously and blatantly clear that the app harvests the data (names, numbers and other information; all linked) from the phonebooks of the users who have installed the application. I verified this with a simple trick. I had a friend install the app, and then a second person (without the app installed - infact without a smartphone) called a third phone which already had the app installed to see what information the app would display. The name on the third phone's truecaller app appeared exactly with the company prefix and nickname that was saved as on the first person's phone. This clearly showed that the app had uploaded his complete phonebook to its database under the pretext of the "necessary" permissions it requires to install the app and now displays the phone numbers and names of all his contacts to anyone in the world who has the app installed even though all those people never opted for such. This is clearly a breach of privacy.

To further verify this, please see this blog post on the same matter and this Quora thread that shows how many people this fact has made unhappy.

Are you on their database? If any one of the hundreds of your contacts including your friends, colleagues or the cable guy uses Truecaller to avail their database, your number has been harvested onto it via their phonebook.

Now the question is how to get yourself rid of this privacy issue and remove yourself from the Truecaller data base in order to keep your information safe including telling your name to simply anyone who has your number? To unlist yourself, the Truecaller website provides an unlist option. You can go to their unlist page and remove your number from their database by entering your number in the following format: +923001234567

Thursday, January 21, 2016

Another energy saver padlock


Another way to padlock your energy saver if you did not find the previous one very aesthetic.

Monday, December 28, 2015

Energy Saver Padlicock


Pakistani shop padlocks the more expensive energy saver light bulb against theft.

Wednesday, July 1, 2015

DIY book shelf safe


A steganographic bookshelf safe to hide your stuff in a security by obscurity model that you can create your self.

Sunday, June 21, 2015

Scissor padlock


Don't want any one to use your scissors in hostel, padlock seems like a hacky fix.

Wednesday, May 13, 2015

Juggaar coil


Mosquito coil rigged with mosquito repellant socket with switch off.

Thursday, April 16, 2015

TV Cage


Road side restaurant locks up TV in a cage to prevent people from changing channel or stealing.

Friday, April 10, 2015

Car chain lock


Locking a car's tyre with the tow hook for a quick fix additional security.

Thursday, April 9, 2015

Lock door with cycle lock


1) Drill holes in wall and door, 2) pull out your cycle lock, 3) lock the door to the wall with the cycle lock to replace your broken lock.

Wednesday, April 8, 2015

Thursday, January 8, 2015

Tuesday, January 6, 2015

Wise vandal


You might want to learn the quadratic formula from the vandal's grafti: either that or he's a math troll.

Friday, January 2, 2015

Padlock for tea safety (well, yeah)


Well, yeah... no body likes their tea stolen without being noticed. Any one who tries to drink will have to pick up all three cups and be noticed by the waiters drinking that way.

Saturday, December 27, 2014

Thursday, December 25, 2014

Caution: No fishing (How to scare idiots)


Caution: NO FISHING.

Water areas contain large amounts of DHMO (Dihydrogen Monoxide).