Get ready for a facepalm: 90% of credit card readers currently use the same password.

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The passcode, set by default on credit card machines since 1990, is easily found with a quick Google searach and has been exposed for so long there's no sense in trying to hide it. It's either 166816 or Z66816, depending on the machine.

With that, an attacker can gain complete control of a store's credit card readers, potentially allowing them to hack into the machines and steal customers' payment data (think the Target(TGT) and Home Depot(HD)hacks all over again). No wonder big retailers keep losing your credit card data to hackers. Security is a joke.

This latest discovery comes from researchers at Trustwave, a cybersecurity firm.

Administrative access can be used to infect machines with malware that steals credit card data, explained Trustwave executive Charles Henderson. He detailed his findings at last week's RSA cybersecurity conference in San Francisco at a presentation called 'That Point of Sale is a PoS.'

The problem stems from a game of hot potato. Device makers sell machines to special distributors. These vendors sell them to retailers. But no one thinks it's their job to update the master code, Henderson told CNNMoney.

'No one is changing the password when they set this up for the first time; everybody thinks the security of their point-of-sale is someone else's responsibility,' Henderson said. 'We're making it pretty easy for criminals.'

Trustwave examined the credit card terminals at more than 120 retailers nationwide. That includes major clothing and electronics stores, as well as local retail chains. No specific retailers were named.

The vast majority of machines were made by Verifone(PAY). But the same issue is present for all major terminal makers, Trustwave said.

A spokesman for Verifone said that a password alone isn't enough to infect machines with malware. The company said, until now, it 'has not witnessed any attacks on the security of its terminals based on default passwords.'

Just in case, though, Verifone said retailers are 'strongly advised to change the default password.' And nowadays, new Verifone devices come with a password that expires.

In any case, the fault lies with retailers and their special vendors. It's like home Wi-Fi. If you buy a home Wi-Fi router, it's up to you to change the default passcode. Retailers should be securing their own machines. And machine resellers should be helping them do it.

Trustwave, which helps protect retailers from hackers, said that keeping credit card machines safe is low on a store's list of priorities.

'Companies spend more money choosing the color of the point-of-sale than securing it,' Henderson said.

This problem reinforces the conclusion made in a recent Verizon cybersecurity report: that retailers get hacked because they're lazy.

The default password thing is a serious issue. Retail computer networks get exposed to computer viruses all the time. Consider one case Henderson investigated recently. A nasty keystroke-logging spy software ended up on the computer a store uses to process credit card transactions. It turns out employees had rigged it to play a pirated version of Guitar Hero, and accidentally downloaded the malware.

'It shows you the level of access that a lot of people have to the point-of-sale environment,' he said. 'Frankly, it's not as locked down as it should be.'

In this article I will show you how to unlock Optus phone to use Telstra SIM, absolutely free via Optus carrier or with our service.

Contents

• 1 Unlock Optus phone to use Telstra SIM for free

About the company – Optus

Optus is quite a large and famous company in Australia. In fact, it is the second largest telecommunication company that provides a number of services to its customers. The Optus Company uses its own network infrastructure to provide its services. It also uses network services of other network companies like National Broadband and Telstra. There are two types of services it provides, either to the end users directly or to other service provider companies. If your phone gets locked, you can unlock the Optus phone to use Telstra sim as well.

There are a number of products and services of Optus. Some of them are listed below:

1. Fixed telephony
   This service is provided to businesses. It is for commercial as well as residential use. There are many telephonies plans that Optus provides that meets the needs of its customers.
2. Mobile telephony
   This is for personal use. The satellite covers all of the Australia. The service plans provided by the company such as GSM/GPRS services, 4G/LTE and 3G covers more than 90% of the Australian population.
3. Internet Access
   This company also gives the customer the privilege of enjoying internet. It is for residential as well as commercial use. It also provides a secure gateway for government sectors.
4. Cable television
   There are a number of television services that the Optus company provides in a few of the big cities of Australia.

Optus mobile phones

As we discussed above, there are a number of products that the Optus Company provides its customers. One of the products is the mobile phone. You can either buy the latest mobile phone or if you are on a budget, you can lease it until you are able to pay it off.

Why would you lease a phone? There can be many reasons for that. You can save your money and then upgrade to the latest one whenever you want. There are monthly plans that are present for you to choose from for your leased phone.

There are many mobile phone plans that are present for you to choose. You can opt for the one that fulfils your needs.
To say the least, you can stream your favorite shows and sports. You can even share your data with other devices. Optus also gives you the My Optus application so you can easily pay your bills.

You can shop for latest mobile phones in the market too. This will give you the added benefit of free data that you have been craving for. Plans like getting a bonus phone along with the one you lease are also present. You can sign up for Samsung monthly plan and get a bonus Samsung Tab.

Telstra Company and its SIM cards

Telstra is the largest Australian telecommunication company. This company not only operates networks but also builds them. It also has a number of products for the customers. It provides mobile phones and devices and Telstra sims for network usage. There are a number of sim card plans that you can follow for better usage. You can bring your own phone and get the data worth 90GBs per month in a reasonable price. You can also take up new services or upgrade your previous one.

All the plans of Telstra include services like free music streaming, watching live sports and access to free Wi-Fi by connecting to Telstra air spots present all across Australia.

Unlock Optus phone to use Telstra SIM

If you think your Optus phone is locked and is not accepting your Telstra sim card, there are a number of steps that you can follow to unlock it. We will first look at some of the basic steps that are to be followed when unlocking a phone. After that we will go in a little detail by taking in account different brands provided by Optus. The major difference in the steps lies in Apple devices.

Optus can only unlock mobile devices that are sold by Optus and have their network lock on them. Since they provide Telstra sim as well, you can unlock the Optus phone to use that sim card.

Steps to unlock Optus phone:

1. When unlocking the phone, you will have to complete a form that you will be provided. This is an online form that requires some of the details of the phone. For this, you should have your IMEI number. There are easy steps through which you can find the IMEI number of your device. This number is usually written on the battery on the back of the mobile. You can also check your IMEI number by dialing *#06#.
   Another thing you will need before entering the details of the form is your credit card number. This is in case you have to make a payment.
2. After you enter the details in the form, you have to make a payment. You should have enough money in your account to complete this process.
3. Once the payment has been made, you will receive a code. This is the unlocking code for your device. You will have to enter this unlocking code directly in the mobile device. This is the last step and after this, your device will get unlocked.

In case you are having trouble unlocking your device or if there is a step you are stuck on and have questions, you can always contact the customer service. They will help you out.

Steps to unlock Optus Apple phone:

Optus Credit Codes Hack Online

For Apple devices, you can call 133937 for instructions or follow the steps given below.

1. You should ask Optus for the unlocking code. They will most probably ask for details of the device, after which you will receive the code. Be sure to not enter the wrong code as this might result in permanent locking of the device.
2. Turn off your phone.
3. Replace your sim card with the one that is compatible with the network carrier.
4. Switch on your mobile device.
5. You will be asked to enter the unlocking code. Enter the code provided to you carefully.
6. Press Ok and your Apple device will get unlocked and be ready to use.

Fee structure of unlocking Optus mobile device:

Before you start with unlocking the Optus mobile phone that has a network lock, you should have two things are your disposal:

1. IMEI number of your device. This can be found on the battery on the back of your mobile device.
2. Credit card in case of payment

Prepaid Mobile device
If you have recharged with a minimum of $80, there are not going to be any charges for unlocking your handset. If that is not the case, if your service has been active for more than 6 months, you will have to pay only $25 otherwise you will pay $80.

Prepaid Tablet, Mobile broadband:
If the service has been active for more than 12 months, there is no fee for unlocking the device. Otherwise you will have to pay a fee of $100

Postpaid devices:
In case you have a postpaid device that is locked, there is no fee for unlocking this device.

Benefits of using Optus device through unlocking codes:

There are a number of advantages of using unlocking codes for your locked Optus devices. Apart from it being incredibly easy to use, you are not required to have any prior knowledge or technical skills to unlock your device. Some of the advantages are given below:

1. There are no software or hardware requirements for unlocking your Optus device. The unlocking code is enough for it.
2. You don’t have to worry about being on a budget. You don’t have to pay a lot of money to get your phone unlocked.
3. If you are worried about getting your settings changed, you don’t have to, as this process will not change your settings at all.
4. If you are worried about the warranty of your phone, it will also remain the same. There is no need to fuss about that either.

My Optus Account

As you can see, getting your mobile phone unlocked by using the unlocking code is quite simple and effective. It does not have any effect on the value of your device. Getting an unlocking code is the most effective, quickest and the easiest way of unlocking your Optus device. It is also the most affordable considering all the factors.

Benefits of using Telstra Sim:

Telstra provides its customers with great deals and advantages. If you are ordering their product or using their services, you should do a little research. Who knows, you might be eligible for one of their amazing deals.

1. Telstra Air
   If you are eligible for this service, you will enjoy free a Wi-Fi connection. There are over 900,000 air spots present in Australia. This is an amazing advantage of using Telstra’s services. Who doesn’t want free Wi-Fi and data through which they can stream online?
   To know if you are eligible or not, you can go to their website and check the eligibility criteria. You can also contact their customer support center and get the information from there.
2. Telstra Thanks
   This is a program to celebrate their loyal customers. This program offers you some of the best offers as a gratitude for their customer. You can get specially priced movie tickets or rentals every Thursday to enjoy with your family. If you are into sports, you can watch matches and games. You can also get music and art discounts.
3. Telstra TV
   With this service, you can rent out or buy latest movies to watch at your home. You can create your own collection of shows and watch anytime you are free.
4. Telstra Mobile Protect
   A mobile protect helps you protect your children against too much usage of mobile phones. It limits their usage and gives you the controls to restrict the applications they use.
   This is a great service for the parents who are extra-vigilant and concerned about their children. This is a free of cost service for Telstra’s post-paid customers.

If by any misfortune, you get your Optus device locked, there are easy to follow steps that you can use for unlocking the device. If you have a network lock and the phone won’t accept any sim card, the Optus Company can only remove this lock on the phone that are provided by them and are using their network. For more complicated problem, you might have to call the customer center and follow the instruction that they give.

Optus Credit Codes Hacker

If for any reason you cannot unlock your phone, our company provides free unlocks for any type of phone just check our section regarding phone unlocking through a unique method, where you do not need to pay anything.

If you are not already a Telstra user, you should consider getting their sim card for their amazing services.

Optus Activate Prepaid

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