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  • Secure your machines, now

    calendar Aug 30, 2022 · 1 min read
     en  · nttdata security war
     ·
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    Ukraine War brings pain, blood and a lot of human losses.

    Ukraine War brings also a spike in cyber attacks, perhaps because Russian is using it like a weapon to destabilize Europe and Ukraine.

    In this scenario, it is crucial to enforce your security protocols. My Company started to install a Microsoft extension to remove admin access to all employs laptop, and installed a new set of anti-malware services.


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  • Removing sensitive data from your github repo ex-post

    calendar Nov 11, 2021 · 1 min read
     en  · fix git github security
     ·
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    As you know, sometime Internet is a bad place (and not, I am not talking about Facebook :)

    There are “bots” which scans github repo in search of an AWS Keys or other similar api keys, mostly for installing spam bots and so on. You should not version it but… what can you do if your teammate did it already?


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  • Meltdown and Spectre Mitigation removal

    calendar Jun 23, 2021 · 1 min read
     en software  · raspberrypi security
     ·
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    Meltdown and Spectre Mitigation removal

    Some time ago I stumbled upon this Hacker News discussion on how disable Spectre mitigation.

    (For what Meltdown and Spectre is, refer to this article on 2018)

    It is sad to say but my Intel NUC centrino was slowed down a lot by these mitigation, and the same faith is shared by old Intel server. Disabling it on Linux and Windows has a very huge improvements.


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  • Fail2Ban

    calendar Jan 28, 2019 · 1 min read
     en knowledgebase unix-featured  · linux security
     ·
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    Fail2Ban

    On these days I decided to tune a bit more, my new shiny linux server box. I started to set up fail2ban. I think fail2ban is very imporant nowadays because it is a good example of a tool for slowing down attacks without closing your server too much.


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  • Meltdown and Spectre

    calendar Jan 31, 2018 · 4 min read
     en software  · raspberrypi security
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    Meltdown and Spectre

    Meltdown and Spectre are two big vulnearbilities found in Intel and AMD chips out of there. The vulenarbility is so huge it affects up to 1995 chips.

    On the raspberrypi, there is a very nice explanation of what Meltdown is.

    First of all, the one who discovered this bug is a GENIUS, for sure.


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  • Cloud outrange… again

    calendar Jun 21, 2011 · 1 min read
     en  · cloud-computing security
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    At Gioorgi.com we are not a true cloud fan, and reality is going on to collect proofs for us…

    On June 20, 2011, Dropbox had a serious security bug. It was possible to login to an account with “a wrong password”. Like to say Dropbox account system was naked, because “a small number of users[…] could have logged into an account without the correct password”!


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  • Why I am starting to avoid Facebook

    calendar Feb 18, 2010 · 1 min read
     en  · privacy relax security
     ·
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    Privacy is important: in the last days I have read the following on Slashdot:

    "A Facebook employee has given a tell-all interview with some very interesting things about Facebook's internals. Especially interesting are all the things relating to Facebook privacy. Basically, you don't have any. Nearly everything you've ever done on the site is recorded into a database. While they fire employees for snooping, more than a few have done it. There's an internal system to let them log into anyone's profile, though they have to be able to defend their reason for doing so.[...]
    via Slashdot: News for nerds, stuff that matters.
  • WebDAV versus Sshfs

    calendar Aug 2, 2009 · 3 min read
     en featured knowledgebase  · linux macosx security
     ·
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    WebDAV versus  Sshfs

    At Gioorgi.com we evaluted a internet file system common gateway for connecting network resources. We compared two solutions: a webdav file system and an ssh-fs file system. The solution should be viable via MacOSX and Linux, but also Windows support will be a plus.

    WebDAV


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  • TrueCrypt - Free Open-Source On-The-Fly Disk Encryption Software for Windows Vista/XP, Mac OS X and Linux

    calendar Jul 22, 2009 · 1 min read
     en knowledgebase  · security
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    TrueCrypt - Free Open-Source On-The-Fly Disk Encryption Software for Windows Vista/XP, Mac OS X and Linux
    T r u e C r y p t

    Free open-source disk encryption software for Windows Vista/XP, Mac OS X, and Linux

    Main Features:

    Creates a virtual encrypted disk within a file and mounts it as a real disk.

    Encrypts an entire partition or storage device such as USB flash drive or hard drive.


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  • What’s the Password? Only Your iPhone Knows - Bits Blog - NYTimes.com

    calendar Apr 2, 2009 · 1 min read
     en software  · iphone news relax security
     ·
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    What’s the Password? Only Your iPhone Knows - Bits Blog - NYTimes.com

    Versign is experimenting a new Phone software to gain maximum security.

    The software will be able to generate a unique to use to log in your accounts, in a similar way a RSA Key does.

    What’s the Password? Only Your iPhone Knows - Bits Blog - NYTimes.com.


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    Giovanni Giorgi

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