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7 Basic Network Security Mistakes You're Probably Making

With the rapid growth in cyber-attacks, securing data networks is more important and complex than ever. Be on the lookout for these common security blunders that can leave your company's networks and systems at risk.
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The continual evolution and growth of computer systems and the Internet mean that robust network security management is now a primary concern for network administrators. It's now common for sensitive, business-critical data to reside on multiple systems and to be transmitted over the Internet. Any network security oversights or mistakes may expose a company's assets and risk a company's reputation and competitive advantage in the market.

Network security threats -- including viruses, worms, spyware, adware, zero-day attacks, hacker attacks, denial of service attacks, and many more -- are scattered all over the Internet. No single security solution is enough to protect an organization's network infrastructure against all threats, so organizations are implementing multi-layered security tactics to enable total security for their networks.

The good news is that, with robust network security in place, your organization can experience business benefits beyond security. A robust, secure network helps improve business productivity and saves time and money by reducing the need to battle security loopholes. Overall, network security also shields a business's reputation, which is a key asset for any organization.

An optimally secured network typically comprises many components, including passwords, encryptions, backups, identities, up-to-date threat information, and more. All of these components must work together and comply with industry standards and regulations.

With dynamically changing trends and technologies, it's easy to miss one or more of these important components, leaving loopholes that compromise the security of the network. On the following pages, we've listed seven common network security mistakes that users and IT pros are making somewhere in every enterprise. Root these out, and you'll have a strong foundation for network security.

(Image: BlackJack3D/iStockphoto)

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Jerome Amon
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Jerome Amon,
User Rank: Ninja
10/31/2015 | 10:26:45 PM
Network Security
Great to have more and more posts on security. We need to follow the best pratices to avoid some well known problems. The security market here for example is very increasing.
MarciaNWC
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MarciaNWC,
User Rank: Strategist
10/30/2015 | 1:00:26 PM
Re: Password
@virsingh I don't have any experience with password managers, but there seem to be a lot of reviews available. I've always been leery of storing passwords in one place.
virsingh211
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virsingh211,
User Rank: Ninja
10/29/2015 | 9:49:03 AM
Re: Password
I understand your observation @ClassC, considering the fact that business and personal life is moving towards internet very aggressively, the number of sites are increasing every day with our usage, every site ask for login. I guess on an average a user has 10 sites to login a day which means at least 08 passwords need to be created, all of them can be same but in my case i prefer to keep banking and official credentials entirely different from regular one's.

e-vault sounds good option, not sure though.
virsingh211
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virsingh211,
User Rank: Ninja
10/29/2015 | 9:42:46 AM
Re: Password
I agree you @Marcia, in fact most of the big companies have mandate to change the password every 45-60 days, else login user may expire. Although this is good practice but remembering a password is another big task, every user has to follow. I am not sure if it is recommendable or secure enough but we have number password manager applications on Android and apple store where you can store your password. Anyone here had experience on these applications.
MarciaNWC
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MarciaNWC,
User Rank: Strategist
10/28/2015 | 4:36:11 PM
Re: Password
Diceware -- very cool, I appreciate the tip @Saggis!
Sagiss, LLC
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Sagiss, LLC,
User Rank: Apprentice
10/28/2015 | 4:26:50 PM
Re: Password
No problem @Marcia! Landing on a solid passphrase, just like a password, can be a tricky ordeal. I think this article on The Intercept would be a great resource for you-- https://theintercept.com/2015/03/26/passphrases-can-memorize-attackers-cant-guess/ . It has the dos and don'ts of picking a passphrase you can actually remember and that won't get hacked.
MarciaNWC
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MarciaNWC,
User Rank: Strategist
10/28/2015 | 3:21:14 PM
Re: Password
Thanks @Sagiss. Passphrases do seem like a good alternative, but I've also read that users need to choose random words for the phrase otherwise they can be cracked pretty easily.
Sagiss, LLC
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Sagiss, LLC,
User Rank: Apprentice
10/28/2015 | 2:32:17 PM
Re: Password
@Marcia A great trick for creating complex but also easy to remember passwords it to use a passphrase instead. I also know many people who keep their passwords stored in their wallet for safekeeping. 
ClassC
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ClassC,
User Rank: Ninja
10/27/2015 | 11:47:19 PM
Re: Password
@Marcia   I am going through this right now - taking over systems that were created by others.  I am thinking as hard about the password as the issue itself.  

Frustrating.
ClassC
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ClassC,
User Rank: Ninja
10/27/2015 | 11:44:53 PM
Re: Password
@virsingh211     Good point regarding passwords. While I agree of course that they should be as strong as possible, but they have become so difficult in some companies that you need a vault to manage them.

I don't know if there is any answer to this, just an observation.
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