Tag Archives: security tips

How to delete cookies in Chrome, Firefox, Safari, and IE by https://is.gd/Z745PT

Cookies, small data files used by websites to track your internet usage, pose no threat to your computer. Some cookies can, however, compromise your privacy. They can also take up space–albeit a small amount–depending on how your operating system stores and retrieves data.

from https://is.gd/Z745PT

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LastPass Exploit Shows That Last Password You Made Probably Wasn’t Your Last by https://is.gd/J4T5iA

LastPass is one of the most prominent password managers around. It’s extremely convenient but if it were hacked, it would be quite the pain in the arse for users. In a blog post, the company has warned that a major exploit has been discovered and outlined what action users should take immediately.

from https://is.gd/J4T5iA

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Crossing the Border? Here’s How to Safeguard Your Data From Searches by http://nyti.ms/2nnTaav

Travelers, beware: When you take your gadgets abroad, maintaining the security of the data on your devices is just as important as protecting yourself from muggers.

from http://nyti.ms/2nnTaav

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Charming animated short on The Power of Privacy by Andrea James via logo

The Power of Privacy from Matthias Hoegg on Vimeo.

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Faking Your Death Online Is a Lot Harder Than It Used to Be by Roisin Kiberd via vice_motherboard_logo

“…But pseudocides are rarer in recent times. “Vanishing” oneself is more difficult; the world is simply too small a place now, connected as it is by social media and the surveillance it entails….”

“…Let’s say you are hiding in Japan, and a tourist takes a photo where you’re in the background,” he told me. “The photo is uploaded to social media and a week later, a cop uploads your photo into a facial recognition site like TinEye [a reverse-image search engine]. Boom—you’re busted, because TinEye will find your photo online…”

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Is Computer Security Becoming a Hardware Problem? by Michael Byrne via vice_motherboard_logo

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How To See Everything Google Knows About You by Cadie Thompson via logo_work

google_cctv_camera

Courtesy of appsglossy.com

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luks_logoConverting an existing installation to LUKS using luksipc

Spring Time! Now you are ready to protect your Ubuntu – Debian system from Rootkits and Viruses

It’s Spring Time and after a long Winter surfing the web and testing new programs, it’s time to give a short rest to your computer, delete old files and scan the OS looking for possible rootkits or viruses. I usually use Ubuntu and the possibility of viruses is not high but… why I shouldn’t double-check to avoid viruses or rootkits?

– First step: Rootkits

Open your favourite Software Manager (I am na old school boy so Synaptics it’s my choice) and install rkhunter and chkrootkit. I know, they are two different programs that have the same goals so you can decide to install and use just one of them…

After the installation you can start using them just typing into a Terminal:

sudo rkhunter --update
sudo rkhunter --check

and/or:

sudo chkrootkit

Examine all the results and don’t be disoriented by possible “”false positives”. Try to understand if some “risks” you find in the results logs could be regular software you are using (e.g. encrypted disks, etc..)

– Second Step: Viruses

Install ClamAV to scan your disks and be sure you have not infected by common viruses.

Open a Terminal and type:

sudo aptitude install clamav clamav-daemon clamav-freshclam clamtk

Then to update the ClamAV engine and the virus lists just type:

sudo apt-get upgrade clamav clamav-daemon clamav-freshclam clamtk

At this point you find ClamTk into the Accessories Menu and you are able to scan your PC just clicking on some intuitive buttons in the graphical interface.

Good Luck!  AddThis