by Robert Quigley | 1:23 pm, May 3rd, 2011

Need proof that Mac is catching up to Windows in a big way? Security firm Intego reports that it has recently observed in the wild a malicious, fake ‘antivirus’ app appearing on computers running Apple’s Mac OS X operating system. Windows, of course, has been host to such programs for about as long as the Internet has existed. Apple’s fake, malicious antivirus program has a much slicker interface, though.

Called “MAC Defender,” the app functions similarly to comparable PC scam programs: It claims that the user’s computer has been infected with viruses and asks the user to pay for the program via credit card. Protip: Don’t provide your credit card number to MAC Defender.

Intego notes that the application is visually well designed and doesn’t have numerous misspellings or other errors common to such malware on Windows, though it does seem to contain some sketchy grammar. The software will periodically display Growl alerts that various fake malware has been detected, and also periodically opens porn websites in the default browser, perhaps leading a user to believe the detected malware “threats” are real. Users are then directed to an insecure website to pay for a license and “clean” the malware infections. However, buying the license merely stops the fake alerts from popping up, but your money and credit card info is now in the hands of hackers.

Remember: The notion that Macs can’t get viruses or malware is a myth.

If you cast your minds back a couple of months, you’ll remember how we told you that AT&T had begun clamping down on people using tethering on their iPhones without paying for the upgraded tethering plan. Emails and SMS messages were sent informing customers that if they continued to tether they would be charged for it. At the time we weren’t sure how AT&T knew which people were actually tethering, but now we do and more importantly, we know how to get around it.

Today iPhoneDownloadBlog pointed out a snippet from a post over on AndroidPolice that is of particular interest to unauthorized iOS tethering users. Turns out they know how AT&T was able to tell when customers were tethering.

“Jailbroken iPhones typically use the same tethering technique as a standard iPhone, the one that’s already present in iOS. This method exposes tethering activity quite readily, because the iPhone, when in tethering mode, sends traffic through an alternate APN (AT&T access point/router) for the express purpose of identifying the traffic as tethered data. This makes it extremely easy for AT&T to identify whether or not an iOS device is utilizing tethering, and just how much of their data is consumed via tethering.

Some tethering applications for iOS make use of alternative methods and route tethered traffic through the phone’s normal data APN, but by and large, most jailbreakers stick with the stock application because it’s easy to use and doesn’t require any complicated setup. In fact, many iPhone users jailbreak for the sole purpose of avoiding AT&T’s tethering fees (for why, see next section). These are the people AT&T’s is going after.”

So it appears, apps that use the special data APN get noticed by AT&T’s systems, hence the strong-arm tactics. Popular jailbreak app MyWi works just as described by AndroidPolice – using the tethering APN. What we need is an app that uses the same APN as your iPhone does for its own data. According to the iPhoneDownloadBlog, that app is PdaNet.

The latest version of PdaNet comes complete with an option specifically for hiding tethering from AT&T – presumable this option changes the APN the app uses for routing data. TetherMe is another app that appears to be one AT&T can’t track, though PdaNet does seem to be the best bet if you want to avoid your carrier’s tethering charges.

So, if you’re not too keen on paying for your data twice, jailbreak your iPhone and give PdaNet a whirl – it’s available via Cydia right now.

You will, of course, need to have a jailbroken iPhone, iPad or iPod touch to install it. Follow our step by step guide posted here to jailbreak your iPhone, iPad or iPod touch with Redsn0w on iOS 4.2.1 (or untethered with GreenPois0n RC5), or on iOS 4.3.1 with Redsn0w, PwnageTool 4.3 (untethered | tethered), or with Sn0wbreeze on Windows, or on iOS 4.3.2 with Redsn0w, PwnageTool 4.3 (tethered), or with Sn0wbreeze on Windows, or on iOS 4.3.3 using Redsn0w, PwnageTool, Sn0wbreeze on iPhone, iPad and iPod touch if you haven’t already.

By David Goldman, staff writerMay 3, 2011: 12:40 PM ET

NEW YORK (CNNMoney) — The days of all-you-can-surf broadband are vanishing.

AT&T this week began capping its Internet delivery service for broadband and DSL customers. The move comes 11 months after it placed similar caps on its mobile customers.

U-Verse — AT&T’s high-speed broadband, television and telephone network — now limits customers to 250 gigabytes of Internet usage each month. DSL users are capped at 150 GB. Customers who exceed the limits will have to pay $10 for each additional 50 GB.

AT&T moved in June to set pricing tiers for its mobile customers, offering light users a plan that maxes out at 200 megabytes. The company also sells a pricier 2 GB plan. AT&T (T, Fortune 500) remains the outlier among the three major wireless companies, though Sprint (S, Fortune 500) and Verizon (VZ, Fortune 500) Wireless are expected to follow suit with caps soon.

But AT&T isn’t alone in instituting restrictions on residential broadband usage.

Comcast (CMCSA, Fortune 500) — by far the largest broadband provider in the U.S. — also has a 250 GB cap, and Time Warner Cable (TWC, Fortune 500) experimented with a tiered billing service in some markets in 2008. Though broadband caps are a relatively new phenomenon in the United States, variations on Internet cap structures are quite common in Canada, Asia and in European countries.

AT&T’s caps will affect just 2% of its customers, the company said. The restrictions are necessary, AT&T maintained, because those in the top 2% use up 20% of the network’s bandwidth. The highest-traffic users download as much as 19 typical households, on average, which slows speeds for other users, AT&T said.

“Our approach is based on customers’ feedback,” said Mark Siegel, spokesman for AT&T. “They told us that the people who use the most should pay more, and they also told us we should make it easy for them to track their usage. We think our approach addresses these concerns.”

Siegel called the caps “generous,” and said that AT&T’s DSL customers use just 18 GB per month on average. The company didn’t provide similar statistics for its U-Verse high-speed Internet customers. Globally, broadband customers typically use 15 GB per month, according to Cisco (CSCO, Fortune 500).

The caps are fairly forgiving. DSL customers would need to watch 65 hours of high-definition videos on Netflix (NFLX) to reach the limit, and high-speed customers would need to watch 109 hours.

Analysts see the move as a strategic one. AT&T, Comcast and many other broadband providers also sell cable TV service, which a growing number of customers are dropping in favor of video on-demand services like Netflix.

“This probably isn’t absolutely necessary,” said Vince Vittore, broadband analyst at Yankee Group. “It’s mostly a move to prevent customers from cutting off video services.”

Vittore believes Comcast and AT&T’s caps are indicative of what will become a larger trend in broadband services throughout the country.

Cisco recently forecast that video on-demand usage will double every 2 1/2 years. AT&T said its customers are using more broadband as data-intensive video services like Netflix become more popular. Video currently makes up 40% of all Internet traffic and will exceed 91% by 2014, according to Cisco.

Though typical broadband users don’t come close to approaching the caps now, the increase in average video consumption will undoubtedly cause a greater number of users to exceed their limits in the coming years.

That could force broadband providers to raise their caps in the future if customers begin to complain.

To head off a backlash, AT&T is sending customers alerts when they reached 65%, 90% and 100% of their data allotment each month. The company is also giving customers an undefined grace period before it charges them for another 50 GB. AT&T also is allowing customers to check their data usage online.

Still, data caps likely won’t sit well with those who have called for broadband providers to improve their infrastructure and service.

The Obama administration has harshly criticized the state of the country’s broadband infrastructure, noting that most other countries offer broader service with far faster speeds. The president even alluded in last year’s State of the Union address to a study in which the Organization for Economic Cooperation and Development ranked the United States 31st in median broadband speed.

As part of its National Broadband Plan, the FCC has set out to bring 100-megabit-per-second speeds to 100 million Americans.

Some Internet companies fed up with the state of American broadband are taking matters into their own hands. Google (GOOG, Fortune 500), for instance, is deploying a 1-gigabit-per-second network in Kansas City, Kan. 

By Chris Foresman, ArsTechnica April 5, 2011 4:43 p.m. EDT | Filed under: Mobile

However, Verizon iPhone 4 users seem to suffer from dropped calls far less often than their AT&T peers, supporting early anecdotal evidence from Verizon iPhone users.

“In terms of overall satisfaction the two iPhones are virtually indistinguishable,” according to ChangeWave vice president of research Paul Carton. In March, 82 percent of Verizon iPhone 4 users reported being very satisfied with the device, while 80 percent of AT&T iPhone users reported the same. Only two percent reported any dissatisfaction with the device on either carrier.

Half of Verizon smartphone users mulling switch to iPhone

That doesn’t mean users on Verizon don’t see at least one significant benefit: fewer dropped calls. Verizon iPhone 4 users reported a dropped call rate of 1.8 percent. AT&T iPhone 4 users, in contrast, had a dropped call rate of 4.8 percent — more than double that of Verizon iPhone 4 users.

That difference isn’t limited to iPhones, though. Comparing dropped call rates for all mobile users on all four carriers, Verizon users reported just 1.4 percent of calls were dropped unexpectedly, while AT&T users reported a 4.6 percent rate. T-Mobile and Sprint users reported rates of 2.3 percent and 2.7 percent respectively.

16% of AT&T customers ready to jump ship for Verizon iPhone

A look at ChangeWave’s historical data suggests that AT&T is actually improving. At the height of the iPhone 4 release, AT&T users were reporting dropped call rates as high as 6 percent — the highest rate recorded by ChangeWave’s survey since tracking began in 2008. At the same time, however, Verizon has also been improving. The 1.4 percent rate is the lowest recorded since 2008.

While our own testing didn’t reveal much of a difference in dropped calls, ChangeWave’s results jibe with the accepted dogma about using an iPhone on Verizon versus AT&T — namely, that dropped calls were much less of a problem.

If voice calls are a primary reason you use a smartphone, Verizon is likely to be a better choice if you don’t want your calls to unexpectedly cut themselves short.

COPYRIGHT 2010 ARSTECHNICA.COM

You’ve held out for months, waiting and watching the market for some sign of a tablet that you think you’d like. But maybe you’re asking the wrong question. Instead of “Which tablet should I buy?” maybe you should be asking why you need a tablet in the first place?

We’ve written out a brief guide to deciding whether you need a tablet at all. As for a recommendation, the two devices we can unequivocally recommend right now are the iPad and, if you’re into Android, the Galaxy Tab (although there is some talk of an upgrade coming soon). However, don’t buy right now. The iPad 2 is on its way and the Xoom, Playbook, and TouchPad, are coming soon as well.

So before you break out the credit card, let’s talk about a few reasons to buy a tablet… and a few reasons not to.

1. Tablets make great e-readers. Although many would complain that the reading experience isn’t nearly as focused as single-purpose e-ink devices, and the text isn’t as legible, these drawbacks haven’t stopped users from cracking open PDFs, comics, long web articles, and so on tablets. Plus kids books are fun in full color, something Kindle can’t yet beat.

2. Tablets are portable productivity stations. There’s nothing like a calendar and an email window on a big screen. Although many of our phones now run PIM applications, the real estate afforded by a tablet makes for a far superior experience.

3. Tablets are better than older laptops. If you don’t need to type a lot, tablets will handle more content than a two-year-old laptop, and there are more modern apps and games.

4. Tablets are great for meetings. While you should probably paying attention during meetings, tablets are a great way to take notes unobtrusively and, when things get boring, play Angry Birds on mute.

5. Tablets are great for sharing photos and 1-on-1 presentations. Tablets are excellent for a communal photo sharing experience and are a boon for insurance adjusters, real estate folks, and salespeople. Having everything in front of you in cool little device sure beats firing up a laptop and running a presentation.

6. Tablets are great for movies and music. There’s nothing better in the car for kids than a copy of Cars or Dora on an iPad. Our kids love it and a tablet costs a bit less than installing soon-to-be-obsolete DVD-powered LCDs in the headrest. I also enjoy taking the iPad on a plane for movies, a job that used to go to the iPod Touch.

7. Tablets are cheaper than a new laptop. Your old coffee table laptop died and you’re thinking about a new netbook. Don’t bother. Tablets, as we said before, are on par or more powerful than a standard ~$500 laptop.

8. Tablets don’t crash. Or at least when they do crash it’s not a big deal. A quick restart is is all it takes to get them back on track.

9. Tablets are good for travel. Tablets usually work with Wi-Fi and 3G networks and the large screen and storage space is great for maps, guides, and dictionaries. Think of your tablet as a Hitchhiker’s Guide To The Galaxy.

10. Tablets are just cool. They make you feel like you’re from the future.

And now, Five Reasons Tablets Aren’t Ready

1. Are tablets as portable as the phone you already have? You can stick your phone in your pocket and never know it’s there, but can you do the same with an iPad or TouchPad? I don’t think so, unless your name happens to be Baggin’ Saggin’ Barry. Is carrying an extra bag to holster your tablet the end of the world? Clearly not, no, but don’t try to tell me it’s as portable as my handy little Android (or whatever) phone when it’s patently not.

2. Where are the games? And by games I don’t mean things like Angry Birds, with all due respect to our fine feathered friends. Will I be able to play 64-play multi-player in Battlefield with a tablet? Will I be able to waste hundreds of hours playing World of Warcraft? What about Crysis 2? Tablets may have their place in the world, but playing real games to the fullest will always require a discrete GPU-backed PC.

3. How much work can you do on one of these things? Do they run Photoshop? How long will it take to render video? My guess is that my desktop PC, with its overclocked (to 4.0GHz) quad-core processor and hundreds of gigabytes of free space, will be able to render a video 800 times in succession before a tablet can render a video just once.

4. “You can browse the Web with a tablet while watching TV on your couch! And movies look great on them!” All fair points, but I can already browse the Web on my couch with my battle-tested laptop, so why get another device to do the same thing? That doesn’t make much sense, does it? As for movies, well, I prefer watching them on with a proper setup—Blu-ray player, big screen TV, surround sound, the works—as opposed to watching them cramped on a train, or even hunched over in bed.

5. Something better will come along in a few months. Remember when netbooks were all the rage a couple of years ago? The future of computing, and so forth. You barely see them mentioned anymore, and that’s because tablets are the new soup du jour. In four years we’ll all be writing “Remember tablets?” articles, lamenting having spent all that money on a silly piece of transitionary technology.

With Devin Coldewey and Nicholas Deleon