Posts Tagged ‘Computer’

Hacker group accuses German authorities of spying on Skype

The largest hacker group in Europe – “Chaos Computer Club” (CCC), managed to get their hands on and reverse-engineer a Trojan designed to intercept and siphon private data. In addition to that, the malware can be controlled remotely, and it can download and execute additional programs. Not only that, but CCC also discovered that the malware has significant flaws which makes all that functionality available to everyone on the Internet.

And how did the CCC get their hands on the malware? The club was involved in an investigation after the German lawyer Patrick Schladt, asked the CCC to examine a laptop, owned by his client. The client was charged with illegal export of pharmaceuticals.

According to Schladt, after the prosecutors provided screenshots of his client’s browser, he contacted the CCC. According to the law, German authorities need a permission to intercept VoIP calls and cannot do so by altering any code on the suspect’s computer.

According to Schladt German authorities and their malware, dubbed “State Trojan”, “went too far with logging”.

The CCC claims that the malware can monitor Skype, MSN Messenger and Yahoo Messenger as well as key-logging Firefox, IE and perhaps other browsers as well. It can also take screenshots and be updated as well.

The fact that the malware can be updated is extremely stressed in the CCC statement, because it infers an “upgrade path” – perhaps spying will become legal in the near future?

Another, point stressed in the CCC statement is the fact that the information the malware sends is poorly encrypted and the commands it receives are completely unencrypted.

A key point made by Schladt, is that using such a malware, may allow authorities to plant evidence on a target’s computer.

That said, and with consideration of the numerous entries in WikiLeaks considering governments using malware to spy on people, a question rises, “How many years was Orwell off?”

 

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Why is the Cloud’s future secured?

Why is the Cloud’s future secured?

Cloud computing allows you to access all your applications and documents from any place in the world and from any PC, thus freeing you from the confinement of one single desktop computer – everything resides in the “cloud” (a system of servers and computers) and is accessible via the Internet.

Cloud computing merely takes the concept of web applications replacing desktop applications one step further. However cloud computing is not the best (or even agreeable) solution for everybody and comes with a lot of cons. Still cloud computing has a lot of pros which attract a vast number of users and businesses and thus secure its future. Let’s review the most significant ones:

Lower price for computing resources: No need to have a high-performance computer to run your applications. Apps run in the cloud, thus removing the need of the disk space and processing power demanded by the desktop applications. Basically all you need is a PC that can run the client application used to access the cloud.

A performance boost: Computers in the cloud run fewer processes and are kept neat and tidy by the cloud’s administrators.

Cheaper software: A lot of the software you’ll need has a free alternative in the cloud. No need to pay for functionality that can be obtained for free.

Instant updates: Web-based applications are updated automatically – no need to pay unreasonably high prices for updates and upgrades.

Compatibility within the cloud: Documents created in a given cloud system can be read (most of the times) by any other user of the cloud system.

Nearly limitless capacity: Clouds have storages of the order of hundreds of petabytes (1 petabyte is 1 048 576 gigabytes). Makes your 1 terabyte hard disk sound ridiculous, doesn’t it?

Data reliability: Cloud storages have increased data reliability through the use of Redundant Arrays of Independent Disks (RAID).

Access from everywhere: Want to work from home? All you need is a computer and an Internet connection to do that.

No need for synchronization: If you often find yourself questioning where is the latest version of a document – you home computer, your office computer or you flash drive, you’ll like this aspect. Everything is in the cloud.

Easier collaboration and sharing: Anyone you wish can have access to your documents, thus making collaboration a lot easier.

Of course cloud computing has a lot of disadvantages, but given the aforementioned advantages many users think it’s a fair deal. What about you? Does the cloud have a place in your future? Read the rest of this entry »

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Add Control Panel to “My Computer” (Computer) in Windows 7

In Windows XP you were able to add the Control Panel to My Computer with a little modification of the folder settings. Unfortunately there is no such options in the Windows 7 folder settings, but with a little registry tweak we can achieve the same effect.

First we will open the Registry Editor. Open the Start menu, enter regedit in the Start menu search box, wait for the regedit.exe result and press Enter:
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How to disable/enable Task Manager in Windows 7

Did you know that you can disable the Task Manager in Windows 7? This is quite handy when you must leave your computer in the hands of someone who doesn’t know what he is doing (a child or a colleague who is not very good with computers, for example). Disabling the Task Manager is done with a little registry tweak and here is how exactly.

First we will open the Registry Editor. Open the Start menu, enter regedit in the Start menu search box, wait for the regedit.exe result and press Enter:
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How to clear the ARP cache in Windows 7

The Address Resolution Protocol (ARP) is a computer networking protocol that is used to determine a host’s MAC address using its IP. The ARP cache contains the latest IP to MAC mappings and is used to minimize ARP requests. However, sometimes the ARP cache may be responsible for slow connections and sometimes (although extremely rare) for timeouts. So, let’s learn how to flush the ARP cache. Read the rest of this entry »

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How to disable Power Management in Windows 7

Whether you are running a desktop computer or a laptop, you probably don’t want it to go to sleep automatically. This goes double if you have a Windows 7 virtual machine. So why not disable this little power management feature. Read the rest of this entry »

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Free some space by deleting all System Restore Points in Windows 7

Desperate times call for desperate measures. When your hard disk is full and you have ran out of things to delete it’s time to remove your System Restore Points. Most definitely this is not the best way to free space so I suggest this only as a temporary solution to insufficient space.
First, right-click on Computer and select Properties:
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How to prevent your mouse from waking your computer in Windows 7

Isn’t it annoying when you put your PC in Sleep Mode and you accidently move your mouse and your wake your PC from Sleep Mode? Well it is quite easy to modify this behavior so that you will have to press a keyboard button to wake up your computer.

Type in mouse in the Start menu search box and press Enter:
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How to create a shortcut for locking your computer in Windows 7

If there is one thing I can’t trust anyone else with it, is my computer. Most people are way too nosy and start browsing around your computer in search of something interesting. That is why it is best to lock your computer whenever you leave it unattended. Read the rest of this entry »

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How to disable the system tray notification balloons in Windows 7

Do you find the system tray popup notifications to be extremely annoying.? Read the rest of this entry »

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