Showing Tag: " security" (Show all posts)

Phishers use HTML attachments to evade browser blacklists

Posted by on Tuesday, March 22, 2011, In : Security 

To get around phishing blacklists in browsers, scammers are luring people by using HTML attachments instead of URLs, a security firm is warning.

Chrome and Firefox are good at detecting phishing sites and warning Web surfers via a browser notice when they are about to visit a site that looks dangerous. So good, in fact, that scammers are resorting to a new tactic to lure victims into their traps via e-mails--attaching HTML files that are stored locally when they are opened, according ...


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How to avoid disaster-related Internet scams

Posted by on Tuesday, March 22, 2011, In : Security 
In every disaster scammers see an opportunity, and the crisis in Japan is no exception. Already there have been fake Red Cross e-mails circulating and there will no doubt be more scams coming.

Those e-mails appear to come from the British Red Cross. They provide some news on the earthquake and tsunami in Japan and urge people to donate to a Yahoo e-mail address on a Moneybookers account, a money transfer service that enables recipients to remain anonymous, according to App River, an e-m...


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Searching for free stuff online can be costly

Posted by vijai on Thursday, September 16, 2010, In : Security 
This pie chart shows the different threats that can come from 
visiting Web sites that advertise unauthorized content.

This pie chart shows the different threats that can come from visiting Web sites that advertise unauthorized content.

(Credit: McAfee)

It's common knowledge that you can catch computer viruses on porn Web sites. But did you know it's also risky to surf the Web searching for free movies or music?

A study from McAfee to be released on Tuesday finds that adding the word "free" when looking for entertainment content in search engines greatly increases the chances of landing on a site hos...


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How secure is your e-mail password?

Posted by Elinor Mills (CNET Writer) on Thursday, September 16, 2010, In : Security 
Access to an e-mail account opens up access to all sorts of other information that could be used to steal someone's identity and drain bank accounts, open up credit cards, and even take out loans in their name.

It's not just personal information at stake in e-mail accounts. Use of weak password-reset security questions is believed to have allowed someone to access the Yahoo e-mail account of a Twitter employee last year and then use that to access the person's Google Docs account where there w...

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What to do with passwords once you create them

Posted by Oyya-Info on Friday, July 16, 2010, In : Security 

Cryptography expert Bruce Schneier used to write his passwords down on a slip of paper and keep it in his wallet.

Today, he uses a free Windows password-storage tool called Password Safe that he designed five years ago and released into the open-source community. The desktop application lets users remember only one master password to access their password list.

But Schneier still recommends the paper method for people who don't have their computers with them at all times like he doe...


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Want really secure Gmail? Try GPG encryption

Posted by Oyya-Info on Thursday, January 14, 2010, In : Security 

Perhaps Google's announcement that Chinese cyber attackers went after human rights activists' Gmail accounts has made you skittish about just how private your own messages are on the Google e-mail service.

Well, if you want to take a significant step in keeping prying eyes away from your electronic correspondence, one good encryption technology that predates Google altogether is worth looking at. It's called public key encryption, and I'm sharing some instructions on how to get it working i...


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Character limitations in passwords considered harmful

Posted by Oyya-Info on Thursday, December 3, 2009, In : Security 

For about the 4,000th time in the last five years, I tried to sign up for a new Web service, but it wouldn't accept my proposed password. Apparently, the site operators decided that passwords should contain only letters and numbers. Aarrrrgh! This isn't the first time I've seen this idiocy, and it won't be the last. But it should be.

Guidelines on how to construct a strong password almost uniformly recommend using a mixture of upper and lower case letters, numbers, and symbols. Tools for gene...


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Chrome OS security: 'Sandboxing' and auto updates

Posted by Oyya-Info on Tuesday, November 24, 2009, In : Security 
With most computers threatened by attacks coming through Web applications, it's no surprise that security would be a key piece of Chrome OS, Google's browser-based operating system that stores data in the cloud.

Google showed off its new lightweight operating system designed for Netbooks and cloud computing on Thursday. As anticipated, it will rely on many of the same security features and concepts used by the Chrome browser.

"The browser is the operating system. We've expanded the browser to...


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Apple plugs holes for domain spoofing, other attacks

Posted by Oyya-Info on Tuesday, November 10, 2009, In : Security 

Apple on Monday released a large security update for Mac OS X that fixes dozens of vulnerabilities and provides protection against potential attacks exploiting a weakness in the protocol used to verify that a domain is legitimate.

There are 43 specific issues addressed in the 2009-006 update, released the same day as Mac OS X v.10.6.2.

It plugs a variety of holes for the Mac OS X v10.5.8, 10.6, 10.6.1, and Mac OS X Server v10.6 and 10.6.1, many of which could lead to arbitrary code execution...


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More security breaches hit midsize companies

Posted by Oyya-Info on Thursday, October 29, 2009, In : Security 

More midsize companies are being attacked by cybercriminals at the same time they're spending less on security, says a McAfee report released Wednesday.

Across the world, more than half of the 900 midsize businesses (51 to 1,000 employees) surveyed by McAfee for its report, The Security Paradox, said they've seen an increase in security breaches over the past year. Despite the threat, the recession has caused most of these companies to freeze their IT security budgets.

Midsize organizations have seen an increase in cyberthreats in 2009. (Credit: McAfee)

M...


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Comcast pop-ups alert customers to PC infections

Posted by Oyya-Info on Friday, October 9, 2009, In : Security 

Comcast is launching a trial on Thursday of a new automated service that will warn broadband customers of possible virus infections, if the computers are behaving as if they have been compromised by malware.

For instance, a significant overnight spike in traffic being sent from a particular Internet Protocol address could signal that a computer is infected with a virus taking control of the system and using it to send spam as part of a botnet.

Comcast is launching a trial of a service that...


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Verizon, McAfee team up on security products

Posted by Oyya-Info on Thursday, October 8, 2009, In : Security 
With security and cloud-computing both hot-button topics, Verizon Communications and McAfee are joining forces to offer customers a combination of the two.

Verizon's business unit and McAfee announced Thursday a new joint venture to sell cloud-based security products and services to large businesses and government agencies. With more companies tapping into the "cloud" to lower costs and outsource administration, McAfee and Verizon will sell a new suite of cloud-based security products, expandi...

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Microsoft: Windows 7 not affected by latest flaw

Posted by Oyya-Info on Wednesday, September 9, 2009, In : Microsoft 

Microsoft issued a formal security advisory late Tuesday on a reported zero-day flaw in Windows Vista and Windows Server 2008. However, the software maker also said that the flaw does not affect the final version of Windows 7, contrary to earlier reports.

"Microsoft is investigating new public reports of a possible vulnerability in Microsoft Server Message Block (SMB) implementation," Microsoft said in the advisory. "We are not aware of attacks that try to use the reported vulnerabilities o...


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How to make strong, easy-to-remember passwords

Posted by Oyya-Info on Friday, August 14, 2009, In : Security 

One of the best ways to protect your online security is to have strong passwords that you change periodically. But that's easier said than done. Coming up with hard-to-guess passwords is hard enough, but it's even harder to have separate passwords for different sites and to remember new ones after you change them.

One way to create a password that's hard to guess but easy to remember is to make up a phrase. You could type in the entire phrase (some sites let you use spaces, others don't) or y...


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HP researchers develop browser-based darknet

Posted by Oyya-Info on Sunday, July 26, 2009, In : Security 

Two researchers for Hewlett-Packard have created a browser-based darknet, an idea that could make it easier for businesses to keep eavesdroppers from uncovering confidential information.

Darknets are encrypted peer-to-peer networks normally used to communicate files between closed groups of people. Most darknets require a certain level of technological literacy to set up and maintain, including taking care of the necessary servers. However, HP researchers Billy Hoffman and Matt Wood plan nex...


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Chrome security in limelight with Google OS plan

Posted by Oyya-Info on Wednesday, July 22, 2009, In : Security 

The techniques Google uses to protect Chrome users from browser-based attacks have taken on new importance with the company's plan to make the software the centerpiece of a Netbook operating system.

Two weeks ago, Google announced plans for the open-source Chrome OS designed for people who spend most of their time on the Web. The Google Chrome operating system is a "natural extension" of the Chrome browser, Sundar Pichai, vice president of product management, and Linus Upson, engineering d...


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Google fixes flaws in Chrome

Posted by Oyya-Info on Friday, July 17, 2009, In : Google 

New versions of Google Chrome are out, fixing bugs and patching security holes in both the stable build and the beta build.

Two serious security flaws have been plugged. One had allowed for malicious code exploitation within the Chrome tab sandbox. Found by the Google security team, the threat was serious enough that Google has declined to be more specific until "a majority of users are up to date with the fix," the company said in a blog post.

A second security risk caused by memory corru...


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Zero-day flaw found in Firefox 3.5

Posted by Oyya-Info on Wednesday, July 15, 2009, In : Security 

There is a critical JavaScript vulnerability in the Firefox 3.5 Web browser, Mozilla has warned.

The zero-day flaw lies in Firefox 3.5's Just-in-time (JIT) JavaScript compiler. Proof-of-concept code to exploit the vulnerability has been posted online by a security research group, Mozilla said in a post on its security blog on Wednesday. Security company Secunia rated the vulnerability as "highly critical" on Wednesday.

The hole could allow a hacker to launch a "drive-by" attack, according to...


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Microsoft's free anti-malware beta to arrive next week

Posted by Oyya-Info on Friday, June 19, 2009, In : Security 

Microsoft will launch a public beta of its anti-malware service, Microsoft Security Essentials, on Tuesday as it phases out its Live OneCare suite in favor of a simpler free consumer security offering.

Microsoft Security Essentials, which will run on Windows XP, Vista, and Windows 7, will be available in the U.S., Brazil, and Israel in English and Brazilian Portuguese. A public beta version for Simplified Chinese will be available later in the year.

The service works like traditional antivi...


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