News tagged with character string

CAPTCHA evokes sympathetic (aka correct) response

(Phys.org)—CAPTCHAs by definition (stands for Completely Automated Public Turing Test to tell Computers and Humans Apart) are gotcha tools that are used to spot automated-attack attempts posing as people. ...

Oct 09, 2012 report
3 / 5 (2) 2 | with audio podcast

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iWorm hack shows Macs are vulnerable too

The computer operating systems and applications we use today have often evolved over many years, decades even, and contain tens or hundreds of millions of lines of code. Flaws in that code – and there will ...

Oct 08, 2014
5 / 5 (2) 2

Making a covert channel on the Internet

(Phys.org) —The best way to keep a message secret is not just to encrypt it, but to hide the fact that the message is even there. Computer scientists have created "covert channels" on the Internet, but ...

Jun 04, 2014
4.9 / 5 (9) 4

Knockoffs a headache for IPO-bound Alibaba

At first glance, the Monster Tron T1 headphones sold on Chinese e-commerce giant Alibaba's Taobao site are a tempting offer for audiophiles looking for state-of-the-art hi-fi equipment.

May 27, 2014
5 / 5 (1) 0

WPA2 wireless security cracked

There are various ways to protect a wireless network. Some are generally considered to be more secure than others. Some, such as WEP (Wired Equivalent Privacy), were broken several years ago and are not recommended ...

Mar 20, 2014
3.1 / 5 (50) 7

Geographical passwords worth their salt

It's much easier to remember a place you have visited than a long, complicated password, which is why computer scientist Ziyad Al-Salloum of ZSS-Research in Ras Al Khaimah, UAE, is developing a system he calls geographical ...

Feb 14, 2014
2.4 / 5 (15) 1

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