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September 15, 2005

Beware of Ctrl+C

We often use keyboard shortscuts to do some routinary tasks on our PC. One of the most widely used shortcut key is Ctrl+C, or copy text.

This copied data is stored in clipboard and is accessible from the internet by a combination of Javascripts and PHP/ASP/CGI.

Here’s an example:

Do not keep sensitive data (like passwords, creditcard numbers, PIN etc.) in the clipboard while surfing the web. It is extremely easy to extract the text stored in the clipboard to steal your sensitive information.

Note: Does not work with FireFox though. Another reason you should ditch IE.

Written by yuga

Abe is the founder and publisher of YugaTech. You Can follow him on Twitter @abeolandres.

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7 Responses to “Beware of Ctrl+C”

  1. DarkBlak says:

    salamat po sa magandang tip.

  2. Jaypee says:

    thanks for the tip..since i’m using firefox i’m not that worried but i would inform people about this. :)

  3. Kates says:

    OOOOOOOh my gosh. I didn’t know I was that careless.

  4. mr nice ash says:

    just as I understand!

    i use both IE and Firefox.

    -the site uses javascripts.
    -javascripts dont run on firefox well as on IE. that’s why the application didn’t work properly on firefox.
    -the attack never always passes through browsers. so no matter what browser you are using, clipboard contents can still be accesible in not only one way.

    there’s no way the safest once connected! let’s just stay alert and updated! keep the antispywares active.

    in my case, aside from anti-virus and spydoctors, i have freeRAMxp which clears my clipboard in timely manner as set. that makes sense to me.

    another idea i got from this entry, man. ;)

  5. Keep clear of Ctrl+C

    Yuga of Ambot Ah! points out that this oft-used command may not be as innocent as we thought. The data that you copy using this shortcut key is stored in clipboard

  6. Thanks for the ehads up, crazy to think you shouldn’t even copy and paste on your computer ;)

  7. WebFrukt says:

    Джентльмен возвращается домой поздно вечером.Погода отвратительная:дождь,снег,ветер.У самого дома он замечает промокшую и продрогшую симпатичную девушку.Естественно,он,как истинный джентльмен,приглашает ее к себе домой,угощает кофе,укутывает пледом.Но гостья все время продолжает твердить,что ей холодно.Наконец,когда джентльмен уже не знает что и делать,она говорит: -А вот мой муж в таких случаях всегда согревал меня своим телом… -Простите,мадам,но не могу же я в такую погоду идти искать тело вашего мужа…

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