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Cleaning up a Hacked Website

November 13, 2012 by Leave a Comment
Hacked

I’ve been hacked!

Hackers attack websites for a variety of purposes. Apart from defacement hacks more and more sites are becoming targets for criminals attempting to steal data – passwords, bank account details etc. There are numerous articles which describe such attacks, and that type of hack requires immediate specialist intervention and assistance. While this article here deals specifically with defacement hacks, the resources recommended here are equally applicable to all website hacking situations.

I hope that readers haven’t had the following experience. Here’s a typical scenario: [Read more…]

Filed Under: Organisations, Software

See the Sirius FM-4 Satellite at The Smithsonian National Air & Space Museum

October 25, 2012 by Leave a Comment
The SiriusXM Satellite at The Smithsonian National Air and Space Museum

The SiriusXM FM-4 Satellite at The Smithsonian National Air and Space Museum in Washington DC, USA. Photo by Dane Penland

One of the first satellites designed to provide space-based digital radio service to consumers in the United States and Canada was donated by SiriusXM Radio and Space Systems/Loral to the Smithsonian. The Sirius FM-4 broadcasting satellite was built as a flight-ready back-up for a constellation of three satellites developed by SiriusXM and manufactured by Space Systems/Loral. The FM-4 satellite will be on display in the James S. McDonnell Space Hangar of the National Air and Space Museum’s Steven F. Udvar-Hazy Center.

“The availability of a flight unit like Sirius FM-4, which was never launched, is extremely rare and will be a significant addition to the museum’s collection,” said Martin Collins, space history curator. [Read more…]

Filed Under: Communication Satellites, Organisations

What is 4G? Do you know?

September 23, 2012 by Leave a Comment

It’s not often that I stray into the broader world of telecommunications, but I was so impressed with this article by Mark Gregory in “The Conversation” that I wanted to share it in its entirety.
For those of you who want a peek behind the ‘4G’ acronym without being sucked into a morass of technical detail, then this is the article to read.

Explainer: what is 4G?

By Mark Gregory, RMIT University

If you’re looking to buy a new smartphone or computer you’ve probably seen advertisements and offers for 4G-compatible devices. You might even own a 4G-compatible device already.

But just what is 4G? How does it compare to existing 3G networks? And what is the current availability of 4G networks in Australia?

[Read more…]

Filed Under: Telecommunications

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