How to secure your home PC's for free (Really)

by SrChasJC 28. October 2011 17:58
1. Make sure you can backup and restore the entire system
            a. http://support.microsoft.com/kb/309340
            b. Before making any system changes, it is wise to backup your system
2. Check system for current Malware

a. Download and install the free version of MalwareBytes

i. http://www.malwarebytes.org/

            b. Update and run.
3. Correctly configure your wireless router

a. Determine what services your router is exposing by testing the firewall through GRC:

i. https://www.grc.com/x/ne.dll?bh0bkyd2

ii. Test common ports

b. Most routers will have a Web interface that will allow you to configure them.

i. Determine your default gateway address

ii. Open a cmd.exe prompt and type IPCONFIG.

iii. Type your default gateway address into your web browser: (For instance http://192.168.0.1 )

iv.  Enter user name and password. (Defaults found on Internet, search "Default password" with your model) (Caution if using DSL and you reset the router, it may mean a call to your ISP to get/reset your username password for the DSL connection).

c. Implement WPA2-Personal (AES encryption). This will require a password you will use both on the router and computers connecting to it, make it strong.

d. Disable remote (from the Internet) management.

e. Disable IDENT (and other services) identified in step 1a. to prevent remote systems from determining your router model number. (Retest if you reset your Router)

f. Use a safe DNS system

i. Create a free account at OPENDNS - > https://dashboard.opendns.com

ii. Download the agent if you do not have a fixed IP.

iii. Block categories you do not want visited

iv. Block these sites:

1. adbrite.com

2. admeld.com

3. advertising.com

4. doubleclick.net

5. fastclick.net

6. interclick.com

7. invitemedia.com

8. quantserve.com

9. questionmarket.com

v. Configure your ROUTER to use these settings by changing the DNS to 208.67.222.222 and 208.67.220.220 (OPENDNS Servers)

g. Change the administrator password of the router to 8 characters minimum – store in password safe (see tip below).

4. Update all of your programs, and keep them updated

a. Not doing this step is the #1 reason systems become infected.

i. Download and install the Secunia Personal Software Inspector (PSI)

1. http://secunia.com/vulnerability_scanning/personal/

ii. Continue updating all programs until you are at 100%

5. Use a password safe

a. Download,  install and use:

i. http://keepass.info/

b. Have long passwords for all of your sites/services.

c. Create strong passwords for all administrator accounts on your computer

d. Configure the safe and learn to use the shortcut keys. By not typing the passwords, keyboard capture programs are defeated as well as shoulder surfers.

6 Get an AntiVirus program

a. Microsoft’s Security essentials won’t bug you for a credit card every three months.

i. http://windows.microsoft.com/en-US/windows/products/security-essentials

7. Prevent your children from getting to bad websites

a. Download and install Microsoft Family Safety:

i. http://explore.live.com/windows-live-family-safety  

8. Create a computer guest account for casual users (and kids) with limited capabilities
           a. http://library.techguy.org/wiki/Windows_Non-Administrator_User_Account
9. Configure your Internet Browser for safety
           a. http://www.cert.org/tech_tips/securing_browser/
           b. Remove “search helpers” and other Browser Helper Objects (BHO’s)
                        i. http://en.wikipedia.org/wiki/Browser_Helper_Object
                        ii. Don’t buy anything to help remove BHO’s
10. Disable Flash cookies

a. http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager02.html  

11. If you or a member of your family are Facebook fans, download and install Websense Defenso

a. http://www.websense.com/content/facebook.aspx?cmpid=pr  

12. Test system processor security features (GRC SecurAble)

a. Download and Run

i. http://www.grc.com/securable.htm  

b. Follow advice

If you have followed these instructions, congratulations, your computer is more secure than 98% of the computer population!

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Corcoran | Identity Theft

Make the problem part of the solution

by SrChasJC 12. July 2009 14:06

Protecting Personally Identifiable information (PII) has always been a concern but is required now in most states because almost every network is now connected to the Internet. It is easier than ever for a criminal to obtain your social security number and other information needed to “steal” your identity.

Why is it so easy to steal a person’s identity once only a few things are known about a person, such as a social security number and place of birth? Because fake cards can be made with these numbers, and when taken to an agency to get a valid Driver’s license, or open a utility account, or obtain a Birth Certificate.  Using these valid ID’s, other ID’s (Even the social security card that was issued based on the fake ID) can now be obtained.

How do we “break the chain”? This is a battle that has been ongoing for some time; a “National ID Card” is constantly facing challenges by rights groups saying loss of personal anonymity would occur. (This is a good place to insert duh!)  Either we can know and verify who you are or we can’t. So the challenge is great, but the solution can be simple.

SSN’s are guessable, according to a SANS report published in 2009. The Social Security Administration has issued a statement including: "There effectively is no way you can keep {SSNs} totally confidential."

http://www.nytimes.com/2009/07/07/us/07numbers.html?_r=1

http://www.theregister.co.uk/2009/07/07/ssn_guessing_algorithm/

We should be concentrating on how to mitigate the risks of disclosure, focusing on processes to prevent improper use. For instance, when a SSN is originally issued by the SSA, they require complete up to date information. Before a SSN can be used, similar to a credit card, the information could be checked electronically before an account is opened, job obtained, etc.

For instance;

Employers use a system called “E-Verify” to help verify the validity of social security numbers. This system can be expanded to banks, utility companies, and loan companies to determine if the presented card is valid. So in any case, a federal agency would be the anchor point for any such system. It would be relatively easy to implement and fund.

Forcing companies to use this system and obtain a valid “authorization code” would prevent - almost stop all identity thefts in their tracks. When an identity is stolen, it will be very easy to catch as the credit reporting agencies should also be required to verify their information before publishing it. Any red flags would cause everyone in the chain to receive change notification.

Fraud involving a valid authorization code will spring a federal agency into action to reverse the wrong actions, challenge the information, utilize intelligence and enforce Title 18 laws on a national level.

The banking system is a large part of the problem. The day of walking into a bank to open a credit card account has been replaced by just a signature on a pre-approved form in the mailbox.  But the banks would welcome an automated way to verify a SSN and other PII; this would help cut down on their losses. We know the track record of credit reporting agencies (mainly who they rely on today), and the stories about people’s dogs obtaining credit. The job of the “Feds” would be to provide a vehicle for real verification.

We may never eliminate fraud, but finding ways to make obtaining the information ineffectual will greatly reduce identity theft.

 

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Identity Theft | Network Security | political

A one man army - defeated by business - everyone loses

by SrChasJC 5. October 2008 05:08

It’s a disappointing day for the security information professionals. When a man elected by the people sides with business concerns, we all lose. According to http://idtheftcenter.org/workplace_facts.html claims “One study said that identity theft cost U.S. businesses and consumers $56.6 billion in 2005” and “According to the U.S.  Department of Justice Statistics, identity theft is now passing up drug trafficking as the number one crime in the nation”.

On October 5th, 2008 I read a report from SANS that detailed how California Governor Arnold Schwarzenegger vetoed the Consumer Data Protection Act again on October the 2nd. His comments regarding his reasoning included "by requiring notification even where no information was obtained improperly, this bill would likely result in significant costs to businesses and to the state."

Identity theft is life changing. Imagine for a moment, opening your credit card bills one month and seeing that all the interest rates raised to 24%, and the payments doubling. If you are trying to finance a home, forget about it because your ratio will change significantly, and your credit rating will be in the toilet. After you pull a credit report, you realize someone has opened a credit card account in your name, charged $20K, and to boot, they are late on the payment! Correction, YOU are late on the payment! That is why all of your credit card companies have revised their terms with you. Even if you get the card company convinced it wasn’t you and the charges are removed from your credit file, you are responsible for the increased payments on all the other cards, and getting the terms revised, well, ask anyone who is in that position, you can pretty much forget it.

Three months later, you’re considering bankruptcy, you’re savings account depleted, and you are considering cashing out your 401K to pay off the credit cards. You have no budget because you can’t meet the payments as they are. Now all it takes is a car repair, an increase in gas price, well, you get the picture. The most the “company” responsible is going to offer you is a free credit report.

According to http://ag.ca.gov/idtheft/ there were 45,175 victims reported from California in 2005. This will increase. As a security specialist I have a few observations. Businesses as a rule are lazy, doing only what they have to. (This is not a reflection of any company I have worked for who hired me to improve their security.) If only the businesses treated the personal information like how they HAVE to treat VISA credit card information (That still doesn’t mean they will, case in point TJX), we would be much better off. The credit card industry has come together and produced a simple list of requirements; (https://www.pcisecuritystandards.org/security_standards/pci_dss.shtml), the first of which is “Build and Maintain a Secure Network”. Wait, you mean this is a requirement? Wouldn’t you think that is a given? Don’t fool yourself. If you have ever found a company that took credit cards but doesn’t take VISA credit, think again about doing business with them because most likely they can’t (or won’t ) meet these simple standards.

Unless business HAS to meet certain standards (AND IS AUDITED BY A THIRD PARTY), your data is in jeopardy. You would be very surprised what I have seen as a security professional.

So back to Arnold. He is in a position to make change to affect people’s lives, not only in California, but possibly worldwide. Many states follow California, and let’s face it, many countries follow the US. I have always seen Arnold as the underdog, man against the bad world. My favorite movie of all time is Total Recall, where he saves the planet Mars. If I could speak to him, I would only say I wished you could see the blatant disregard of personal data I have seen, not with the companies I was/am with, but the companies they do business with, and shared information from other security professionals.

Laws don’t fix everything, but they do cause change. It would be a shame to think that every company would have to make the headlines before they made the changes required to secure personal information. Without laws, this is what will happen. Meanwhile, your information is not only in your state, but in every home office of every company you do business with. A little multiplication, and the 45K people for just one state for one year, now think of the odds of your information being exposed. If you do business on the Internet, use a credit card in a restaurant or retailer, your odds are not good. Someone will use that card, your information, or otherwise get at the data because of the fact there are weak controls, or for the smaller companies, no controls in place since they won’t fall under any of the other control standards such as SOX, HIPPA, or PCI. That's where a law comes in to play. It gives security professionals like myself the grease to make internal changes.

Arnold, you have shown us that the sword is mightier than the pen.

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GrapeVine | Identity Theft | Network Security | political

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A little crazy, a little conservative, with a dose of normalness sprinkled on for good measure. I try to spend my life trying to get out of the box I'm used to thinking myself into!

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