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Posts Tagged ‘security’

Adobe Acrobat and Adobe Reader Security Update

Friday, December 16th, 2011

A bug was found recently in version 9 of the Adobe Reader and Adobe Acrobat software that would allow an attacker to take over your computer or steal data. Any time you open an infected PDF from your computer, on the internet, or sent to you via email you could be at risk. For all versions of Adobe Acrobat and Adobe Reader, keep yourself safe by updating your software and following these steps:

  • Download and install the latest security updates from the Adobe Product Updates page.
  • You can also check for updates from within Acrobat by going to Help, Check for Updates.
  • From within Adobe Reader or Adobe Acrobat, click on Edit/Preferences. On the left go to the Trust Manager tab, then uncheck the box ‘Allow opening of non-PDF attachments with external applications.’
  • From within Adobe Reader or Adobe Acrobat, click on Edit/Preferences. On the left go to Javascript, and uncheck the Enable Javascript box.

Close the program.

As always, you should also have a good anti-virus running on your system. We recommend Trend or Microsoft Security Essentials.


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Misconception of the Phase Out and Microsoft Support Lifecycle Policy for Windows XP

Wednesday, June 15th, 2011

[Windows XP Support

Many people still believe that the end date for Windows XP support occurs sometime towards the end of this year (2011). This is not the case.

Mainstream Microsoft support of Windows XP ended over two years ago in April of 2009; which means that we have been without Non-Security Hotfixes (see below), No-Charge Incident Support, Design Changes, Feature Requests or Warranty Claims for some time now. Additionally, in April of 2014, all extended support will end; including ALL Windows Updates and Paid Support.

When it comes to hotfixes the MSLP says that Microsoft will continue to release security hotfixes to keep customers safe throughout the Extended Support phase. However, in order to receive non-security hotfixes after the Mainstream Support End Date a contract called an Extended Hotfix Support Contract must be purchased within 90 days of the Mainstream Support End Date.

There is a ray of hope provided by Microsoft for products that have been phased out: the Retired Product Support Options page. The RPSO page lists about 10 options available for customers using retired products including Microsoft’s Gold Certified Partner program, TechNet, MSDN, and the Knowledge Base.

Additional information about the specifics of these programs can be found via the links below.
Retired Product Support Options
Microsoft Support Lifecycle Policy by Product Family
Microsoft Support Lifecycle Policy FAQ

If you have not already started planning to migrate your existing business systems away from Windows XP, now might be a great time to start. Prices are historically low on new computers, and my PC Techs is offering even greater discounts on the next technology upgrade for your business through our Dell partner discounts and affordable IT consulting services. Give us a call today if you would like to discuss your options to upgrade from Windows XP to Windows 7.

Protecting Point of Sale Systems from Costly Downtime

Saturday, September 18th, 2010

Point of Sale SystemWe do work for several restaurants and retail stores here in Phoenix, Arizona. These shops are all using windows based point of sale systems. While the software and database that run on the computers to transact credit card payments and process menu items are highly customized and supported by the franchise in most cases, the underlying operating system and hardware is not.

We have learned a lot about these systems and can say with certainty that the biggest issues we have run into are lack of proper backups and lack of spare hardware. When a point of sale system goes down for a store, especially a busy store, it is NO FUN. Employees need to process payments manually by hand and write out paper receipts. As you can imagine, the slowdown at the register does a lot to aggravate customers and employees alike. But there are three things that you can do as a retail store business owner to minimize downtime in the event of a system crash.

1. Perform regular system maintenance

Hiring a firm like my PC Techs to regularly maintain your equipment each month can save you from several hours worth of headache and hundreds or thousands of dollars in lost sales. Our technicians will visit your store and examine your systems for irregular performance. System errors, faulty hardware, failing hard drives, botched OS updates, and corrupted data can, in many cases, be identified and corrected before it becomes a larger problem. Dust can be cleaned out (the largest cause of hardware failure), and parts inspected. Unnecessary programs can be removed and system performance improved. The best part of this scenario, the repairs can be performed before or after regular hours, so customers never experience delay.

2. Perform regular, complete data backups

Usually during the same time as the system maintenance, our technicians can perform a complete data backup of all of your POS systems. This is important. When a hard drive crashes, you want to get your system back online as quickly as possible. To rebuild an entire system, restore data from on off site repository, and get all the hardware and software working correctly could take many hours. With a complete system backup, it could be as simple as popping in the right piece of replacement hardware and running a 30 minute recovery.

3. Identify and build an inventory of replacement parts

When a system failure happens, recovery time can be improved considerably when the right spare parts are kept on hand. Rather than buying hard to find computer equipment online, and waiting for it to be shipped, a replacement part can be obtained from storage and quickly installed to replace the broken component. That part can later be replaced to storage, so you always have a backup on hand for the next time disaster strikes.

When you think about the security of your data and your ability to transact business, keep in mind your local computer experts and ways that they can work with you to help improve the reliability of your computer operations. For help with the maintenance and emergency support of your POS systems, contact my PC Techs today. (602) 456-0150.

Microsoft Releasing Windows Security Fix Next Week

Saturday, July 31st, 2010

Microsoft will finally release a patch for Windows that closes a security hole that’s been widely talked about the past couple of weeks. Until then, do not open any .LNK (shortcut files) from websites or sent to you via email. Watch for the patch early next week:
http://www.eweek.com/c/a/Security/Microsoft-Releasing-Windows-Security-Fix-Next-Week-599568/


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Arguing about clouds, a brewing storm or a clear and sunny day?

Friday, February 27th, 2009

The Cloud. It sounds pretty cool, but what does it really mean? There are over 12.6 million pages on Google returned for a search on “Cloud Computing” with thousands more being added every day. The term has been used to describe everything from a web hosting company to a whole package of online tools sold by a small business management company.

Cloud computing is defined by Wikipedia as “the use of Internet based computer technology for a variety of services. It is a style of computing in which dynamically scalable and often virtualized resources are provided as a service over the Internet. Users need not have knowledge of, expertise in, or control over the technology infrastructure “in the cloud” that supports them.” In a nutshell, Cloud Computing is the platform that will make possible a future where everything you need to do on a computer is done over the internet. Word Processing, Spreadsheets, Graphic Design, Email, Instant Messaging, Games and every other basic computer task you can currently think of will simply be an application running on a website somewhere, available through a web browser.

There are pros and cons of this idea, and it doesn’t take very long to find plenty of arguments either way. Proponents of Software as a Service (the cloud) argue that it’s less expensive to maintain than traditional technology, easier to manage, and more reliable. The most popular comments against the cloud point out that it’s not secure, prone to data loss and over the long-term will actually cost individuals and businesses more money than current methods. I’ve tried to take an objective approach to all of this, and with an open mind have highlighted some common arguments for and against the cloud. I will leave it up to you as to whether or not Cloud Computing is good, bad, or something in between.

Read through and leave a comment when you’re done. I am very interested to hear your arguments for or against the cloud.

Argument #1, Data Security

Pro-Cloud: Proponents for the cloud claim that data can be encrypted and stored in the cloud. They say that the encryption offered by these services will leave your data more secure than the same data stored on a traditional computer system. They also claim that you can trust large companies such as Google with your data, because they have more resources to dedicate towards keeping information safe than you could ever afford on your own. They claim that an average business with a small IT staff is more likely to have their data hacked and compromised than a Cloud Provider who’s business model depends on keeping that data secure.

Anti-Cloud: Cloud critics claim that data being stored via current methods resides on secure computer systems behind secure company networks. They believe that it’s much more difficult for anyone to access this type of data as it’s not available to the general internet, and to access the data you would  need physical access to the network holding the data. Typically, only an employee at your company could see this data. Someone you know and trust. Many also believe that, even if data is being encrypted in the cloud, there are ways to circumvent such type of security and as a result you have no privacy. It is feared that the same employees who manage your data in the cloud and are hired to keep that data safe have the capabilities of sifting through all of your personal data. They can read your emails and open your files. The threat of corporate espionage, identity theft and other security challenges are all made greater when the data that defines your business and your life is in the hands of strangers.

Argument #2, Access to Information

Pro-Cloud: Proponents for the cloud point out that data stored in the cloud can be accessed from anywhere in the world. You can use virtually any computer, or any device with a web browser, to access data stored in the cloud. Again, there’s the notion that cloud providers have more resources to keep your data running. With professionals running the cloud data centers, services will never go down, unlike company servers that can crash and take data offline at any time.

Anti-Cloud: Those against the cloud point out that no internet connection is 100% reliable, and at any moment the internet can be unavailable and as a result, all of the information you need to run your business and your life is gone at that moment. Common reasons for loss of access to your data include times when you’re on a plane, in the wilderness where internet isn’t available, or your cable modem has gone out. Other problems exist with network congestion, and there have been several widely reported stories in the news over the years where large data centers have gone offline for hours or days at a time due to power failure or other equipment failure. Critics point out that, in times like these, all of your data in the cloud is unavailable. You have no access to any of your files. Under current methods, data stored as it is now on local computer systems, you can still get your work done without a need for an internet connection. A final concern deals with the ever expanding size of information. What about the 4GB video files, large 10 megapixel digital pictures, etc? Using today’s current technology, it would be almost impossible to operate with this content in the cloud as it could take several minutes to hours to transfer large files over the internet. These files could otherwise be accessed and edited instantly on a modern system. The resulting data fragmentation that would arise as a result of cloud data and large files stored locally would make it very difficult to work efficiently.

Argument #3, The Price

Pro-Cloud: The biggest positives mentioned to hype the cloud usually involve price, and it’s often pointed out that an individual or business can save a considerable amount of money by utilizing the cloud. With traditional technology, the cost for IT support staff, software, modern hardware and upgrades are far more each year than what is being charged by cloud providers for similar services. Additionally, there is no longer a need to purchase or pay to administer your own servers, as all of the data storage and administration is handled by the cloud provider.

Anti-Cloud: There is a general feeling that monthly prices for cloud-related services are only low right now because people have other options. It’s a lot like the early days of the internet where Geocities would give away websites for free just to get you to sign up. Later, as websites became more popular and more people signed on, Geocities started to charge a lot of money for what once was free. Cloud providers need to attract customers now, so everything is free or very affordable. The thought is, once everyone has been taken into the cloud and there are no other options, monthly rates will skyrocket. That leaves all of your data locked in the grips of a hostile company who will take your data away from your if you don’t pay them outrageous monthly fees. It has also been pointed out that a business that has switched to cloud computing in many cases will still need an IT staff to help them manage the services in the cloud and they will still need hardware capable of accessing the data in the cloud. That hardware, too, will need an IT professional to administer as well as the network infrastructure to maintain connectivity with your data online. Beyond all that, since your data is no longer local, it’s not possible to simply download a program to help you manage it. You would need to hire a full-scale web developer to build applications for you if you want customization of your cloud data. At this point, data in the clouds becomes far more expensive to maintain that the current method of local storage.

Argument #4, Reliability

Pro-Cloud: The pro-cloud arguement is that your data can and will be automatically backed up on the servers where the cloud data is hosted. You’ll no longer have to worry about losing a document because you overwrote it, all you’ll need to do is pull one of the automated backup files from your account and extract a recent copy. Additionally, there won’t be any way your information can be deleted by viruses or malware, because it’s all being protected 24/7 by a professional support staff.

Anti-Cloud: A major concern is the complete loss of all of your information. It has happened already to many people and businesses. In one case, a cloud provider went completely out of business and took all of the data with them, including complete records and information for several large businesses. Even if your cloud provider provides backups of your data, many say, what good is that data if the only applications that the files can run on were provided by a company that no longer exists? You would have a raw data file with no means to interface or access your information. That is contrary to current data storage methods, where data is stored in SQL servers that are standard. You could take your data from one server and move it over to another server in an affordable way with little time lost. Not so with proprietary cloud applications.

Argument #5, The Stuff You Can Do

Pro-Cloud: A very large number of people don’t use their computer for much more than checking email, writing a few word documents, looking at a spreadsheet and playing a couple of games. Most of the functionality that you currently do via stand-alone applications can be done now through applications in the cloud.

Anit-Cloud: There is no full-featured anything in the cloud. Google Docs, one of the best known internet based Word Processing applications, pales in comparison when putting it’s list of features alongside those of Microsoft Word or even the freely available Open Office. There are no advanced image editing applications like PhotoShop in the cloud. There would be no way to play the latest demanding game over the cloud or push high definition video. The types of machines that are needed for many tasks don’t jive well with the concept of cloud computing, which really emphasizes low cost netbook-like hardware.

My conclusion and 2 cents: Considering all of the very valid points above (for both sides), I think it’s best  to embrace a balance of traditional technology and cloud/service based technology. The cloud is an awesome idea and provides exceptional benefits on many fronts. For anyone traveling extensively with a need for 24/7 access to information, it’s perfect. It works great for email and collaboration based projects where many different individuals need quick and reliable access to the same data from anywhere in the world. It’s affordable, and making certain types of information available over the internet can be far more cost effective in the cloud than via other methods.

However, it is really only best when used as a small subject to existing, robust computing methods. Sensitive business information is currently best left protected on a secure network, safe from the internet. Internet speeds are too slow to make cloud computing useful for much more than checking email, and until broadband is improved and speeds are greatly increased, there are too many things that are simply impossible to accomplish even over high speed cable internet. The immaturity of the cloud is another huge problem. For Microsoft Windows, you’re looking at a rich history with hundreds of thousands of various applications already written, with an endless list of different features depending on your needs. The cloud is currently very limited, and the applications that do exist are slim on features.

The clouds are building, but they’re building slowly. Far from a storm, we’re only looking at a few gathering clouds on the horizon. It could be at least a decade until there are more cloud based applications than not, and by then most of the problems listed here will have been resolved. Eventually, a large number of companies will have emerged to provide a whole world of functionality to users. Anything you want to do will be available to you for a monthly fee in the cloud. The biggest question remains, how high will that monthly fee be? In the mean-time, I’m going to get the most out of free data that I can. 🙂

What do you think? Please post your arguments for, against or neutral to cloud computing.


 


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