Browsing All Posts filed under »Security«

Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings..

December 19, 2012

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Andreas Happe wrote a simple guide on how to encrypt your home directory or USB sticks with Linux. Some time ago I blogged about Encrypted Linux on USB key, which uses the same encrypting solution, LUKS. The guide: Linux: How to encrypt your data on hard drives, USB sticks, etc. – Random sputterings...

The winner of SHA-3 contest

October 3, 2012

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There’s a new standard hash algorithm in town, its official title is SHA-3 but its birth name is Keccak. NIST announced yesterday the winner of a long contest, that selected from many submissions the 5 algorithms most apt to substitute the current SHA-2 hash method, and from those 5 Keccak emerged as a victor. As I wrote in […]

WhatsApp is broken, really broken | fileperms

September 19, 2012

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WhatsApp is broken, really broken | fileperms. This article explains in details many security problems of WhatsApp, the widely used instant messaging application. To summarize: The mobile number is sent in plain text over the network The username of the account is the mobile number The password can be derived either from the MAC address […]

afreak.ca » Safeguarding your laptop with encryption, passwords, and behaviour

September 15, 2012

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A collection of very thoughtful measures to protect your data when you take your laptop around. It doesn’t cover international-spy-level security, but everything suggested can be put into place by any computer geek that is worried of data and identity theft, in order to achieve a reasonable protection. afreak.ca » Safeguarding your laptop with encryption, […]

Collusion: a plugin to visualize cookie trackers

July 9, 2012

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All the relevant sites on the Internet use cookies in some way or another. All the cookies in our browser can be considered the digital traces we leave when we surf. Up until now I had difficulties understanding the dimension of the problem, or how much of me is potentially passed around without asking my […]

How programmers can easily choose strong passwords

April 22, 2012

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Choosing a password is always a trade-off between security and usability. Programmers can shift this compromise thanks to some qualities of their work. The idea is to use lines of code as passwords.

Encrypted Linux on USB key

January 3, 2012

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In this post I suggest a way to have an encrypted Linux installation on a USB key, which to me is useful when I travel and I want to securely access the functionality that desktop Linux offers. I want to have no fear that what I take with me will be stolen, even if what I take with me is a full Linux OS, together with my data and maybe some online passwords saved in the browser.

Google 2-step authentication

October 16, 2011

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Google has recently implemented two-factor authentication for user accounts. After reading its description and watching the explanatory video (here is the guide) I activated this option as soon as I could. It really is as user-friendly as it gets, for the security it gives. Since I own an Android phone I also activated the ability […]

List of Convergence SSL notaries

October 13, 2011

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I talked about Convergence before: Convergence: fixing SSL security New Convergence notaries emerge The main list of Convergence notaries is on this Wiki page: Notary list : share and find notaries! Notaries I suggest to add every notary on that list and immediately disable it in the Firefox add-on options, then take your time to […]

New Convergence notaries emerge

October 4, 2011

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When I talked about Convergence (a new SSL paradigm that improves security while browsing HTTPS sites on Firefox) in this blog post, I noted that the system needed a kickstart to become effective. Luckily, new Convergence notaries start to emerge. SSL Labs now runs its own notary servers, here the details and the instructions to […]

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