The verification that a person initiated the transaction rather than a computer. See Captcha.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- CYK Desktop Twitter Interface 1.05 (Windows)
- CYK Desktop: Twitter Interface Easy Version is an simple to operate no training required Twitter Interface. It has been designed with HCI Human Computer Interaction in mind - and the desktop is intuitive to use and manipulate. CYK Desktop gives you the ability to log into your Twitter Account securely...
- Software downloads 2009-11-06
- The case of the fake money-mules: Inside the URLZone Trojan network
- Security EvangelistHi, boy I sure wish people would stop using the word Evangelist in the wrong way. An Evangelist is someone you preaches the Gospel of Jesus Christ, not a secular title at all. Wikipedia recently removed the secular definition and Webster is researching it. Evangelist is from the Greek...
- Discussion threads 2009-10-06
- VanDyke ClientPack for Windows 6.2.3 (Windows)
- The VanDyke ClientPack command-line utilities securely automate routine file transfer, shell, and public-key administration tasks, saving you time, reducing potential human error, and increasing compliance with security policies. The ClientPack includes: vsftp, an interactive SFTP command-line utility for secure file transfer; vcp, a command-line file transfer utility; vsh, a command-line...
- Software downloads 2009-09-16
- The future of mobile malware - digitally signed by Symbian?
- The future of mobile malware - digitally signed by Symbian?Signed is not the same as safeAs this incident clearly shows, signing of applications is not a guarantee of safety. A digital signature tells you that program has not been tampered with since it was signed and who signed it. It...
- Discussion threads 2009-07-23
- Semantic Technology Conference kicks off with Keynotes from Open Calais and Siri
- This year's Semantic Technology Conference got fully underway this morning, with Keynote presentations from Tom Tague of Thomson Reuters' Open Calais Initiative and Tom Gruber from Siri. Despite the wider economic situation, attendance for this fifth year of the event feels a little up on last year, and there's...
- Blog posts 2009-06-16
- How can Internet security be stepped up?
- The state of Internet security nowadays has reached its worst it has ever seen. With botnets attacking Mac's which was almost unheard of before last week and password thefts, eBay and Twitter scams to identity and data theft which breached the Pentagon. One of the main reasons...
- Blog posts 2009-04-23
- A plea for open source help
- A plea for open source helpYes - butYes Drupal could do this (and I think bugzilla might be adaptable, but don't know how hard that would be) - and so could cocoon.However: I don't think this guy is looking for a development project (and if he were, I'd think about...
- Discussion threads 2009-03-25
- Will HIPAA changes torpedo health IT stimulus?
- Will HIPAA changes torpedo health IT stimulus?It depends on who's doing the interpretationThere are some greedy-butt lawyers out there scare-mongering people into thinking that their life depends on not giving name rank and serial number to anyone; and to telling them that if they do, they can get multi-million dollar...
- Discussion threads 2009-03-20
- Social networks have taught us cryptography (probably) won
- Social networks have taught us cryptography probably wonYou don't get itWhat you are missing is that if a mandate were applied that caused all emails to have signed keys, that would require the bots to follow suit or simply get shunted by ISPs that could follow guidelines for handling mail...
- Discussion threads 2009-02-09
- Data breach costs, customer churn up a bit; Repeat offenders abound
- Data breach costs, customer churn up a bit; Repeat offenders aboundPrevent most net breaches!!!Our system prevents a majority of Network Breaches while keeping the Networks "UP," Provides a Real Time Global Administrator that sits transparently over other OEM's Network Management systems (i.e., IBM Websphere, HP OPenview, SCADA, etc), the system...
- Discussion threads 2009-02-02
- "Zombies ahead!" sign says something about SCADA security
- An electronic road sign hacked to alert drivers to hoards of the undead provides a nice pedagogical example of why SCADA security is such a "big deal". Earlier this week a road sign was hacked to warn drivers about zombies disturbing their evening commute. The hack itself...
- Blog posts 2009-01-29
- CRM 2.0: The Government, Public Service & A Transformed World
- I KNOW that everyone who reads ZDNET columns loves technology. I get that. I also KNOW that everyone who reads ZDNET blogs loves it when the bloggers dish on technology companies - especially, it seems, Microsoft. I realize that coolness and government don't go together very well - probably something...
- Blog posts 2009-01-14
- Top 25 coding defects listed, surprising nobody with a clue
- Top 25 coding defects listed, surprising nobody with a clueA list . . .Humm, it did a little digging to find the actual list, but I think this is it:http://cwe.mitre.org/top25/#CWE-20So, a list and some advice:The first broad category is interaction between components. Basically, it means you forgot to filter stuff...
- Discussion threads 2009-01-13
- Worlds.com patent litigation could ripple through virtual worlds
- Worlds.com patent litigation could ripple through virtual worldsQuake 3 predates this patent by two yearsQuake 3 would seem to run counter to this patent, as would Tribes, and several other online games from the 90s. The core concepts of such online interactions were also presented in the 90s movie...
- Discussion threads 2008-12-30
- Federated Identity and Software as a Service (SaaS): Single Sign-On to the Cloud
- As companies seek efficient ways to cut costs, many are turning to Software as a Service SaaS as an option for outsourcing certain types of IT services, like sales management, human resource management, customer relations management and more. IT implications for SaaS adoption include new provisioning and security challenges, as...
- White papers 2008-11-04
- Securely Managing EMC CLARiiON Storage Systems: A Detailed Review
- The CLARiiON storage system and all management components are designed with a focus on security. Authentication, authorization, privacy, and audit capabilities truly empower Navisphere to manage large global CLARiiON implementations by delivering the highest standards in security over IP. The concept of a CLARiiON domain allows users to better deploy...
- White papers 2008-11-01
- PKI Based Semi-Fragile Watermark for Visual Content Authentication
- Multimedia content owners always endure of copyright protection and ownership verification of their digital assets. Robust watermarking techniques are invented to defeat these problems. However evolution of the watermarks focused different security aspects of multimedia data such as content integrity, data authentication, etc. As a result, fragile watermarking was introduced...
- White papers 2008-10-24
- Spammers attacking Microsoft's CAPTCHA -- again
- Never let a human do a malware infected host's CAPTCHA recognition job. On their way to abuse the DomainKeys verified server reputation in order increase the probability of their spam emails reaching the receipts, spammers and malware authors are once again attempting to break Microsoft's "revisited" CAPTCHA, and are able...
- Blog posts 2008-09-30
- Webmail providers can fix Palin hack-style problems
- One of the most important questions we should be asking ourselves in light of the Palin webmail hack discussed at length here, here and here is how it could have been prevented. There are several software techniques that I can think of off the top of my head that...
- Blog posts 2008-09-21
- Inside India's CAPTCHA solving economy
- Inside India's CAPTCHA solving economyEconomic TerrorismThe purpose of the CAPTCHA is to ensure fair access to internet services in a manner that is consistent with the license agreements of those offering the services.Employing humans to purposely solve CAPTCHA should be considered economic terrorism because it has no other purpose than...
- Discussion threads 2008-08-29
Neighboring Terms
Premier Vendor Content Whitepapers, webcasts & resources from our Power Center Sponsors
- Save time with automated shipping solutions
-
The Business Essentials Guide provides you useful tools and templates to help grow your business and save you time with automated shipping solutions.
- Visit the UPS Business Essentials Guide
- Reduce risk. Reduce complexity. Increase reliability.
-
A simplified IT environment isn't just less complex. It's also more reliable. Standardize on a single Linux platform with SUSE Linux Enterprise from Novell, and get the world's most interoperable Linux
- Learn more >>
- Microsoft Dynamics CRM Online - Free Six-Month Trial for Eligible Organizations
-
Microsoft Dynamics CRM Online provides fast online access, simple contact management and better sales performance for a low monthly cost - the best value on the market today.
- Learn more about the free, six-month trial offer>>
- The best support in the Linux business
-
If Linux is going to power your mission-critical applications, you'd better have the best support known to business. Novell was rated the top provider of Linux technical support.
- Learn more >>
Enterprise Applications
- Check out some of the easiest and most powerful ways to boost productivity while saving money on your application infrastructure. See ZDNet's comprehensive Enterprise Application resource center, now!
- New Online Dashboard
-
- Read about top issues IT decision-makers face every day, plus get cost effective solutions to real life IT problems. Oracle Topline
-
