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Payment cards are the life blood of the modern retail industry. The ability to quickly and reliably transport large numbers of credit card transactions fueled the early growth of the VSAT industry, making satellite technology the de facto network standard in the retail segment, but big changes have occurred within the payment card industry that are having major ramifications.
\nHow will these changes affect retailers who rely on VSAT technology and how will the changes affect satellite service providers?<\/p>\n
Credit card companies always have been security conscious, but all of the major card brands had similar but disparate security standards. In September 2006, Visa, Master Card, American Express, Discover, and Japan Credit Bureau (JCB) officially created the Payment Card Industry Security Standards Council and threw their collective weight behind a single common security standard for payment card data, which is known as the PCI Data Security Standard (PCI DSS). PCI DSS is a set of requirements designed to safeguard credit card data, and the standard applies to anyone who transmits, stores or processes payment card data. The PCI Data Security Council oversees and administers the PCI Data Security Standard and believes that data security is everyone\u2019s business. The council is doing its best to create a global sense of community for those associated with the payment card industry, and the number of participating organizations is up to 622. The council is broken down into different groups and, as the need arises, Special Interest Groups (SIG) are created to tackle specific technological challenges and provide input to the PCI Working Group. Satellite technology is included in the Wireless SIG, along with Wi-Fi and Bluetooth technologies. <\/p>\n
There are 12 guidelines that apply to every company that stores, transmits or processes payment card data. PCI compliance is mandatory, and conformity to the requirements is not trivial or cheap. Failure to meet the requirements can be severe, ranging anywhere from fines \u2014 up to and including electronic excommunication \u2014 by the major card processors.<\/p>\n
\u201cIt isn\u2019t enough just to provide a bit pipe anymore,\u201d says Tim Tang, marketing director of the Business Solutions Group at Hughes. \u201cIn the beginning, Hughes provided customers connectivity. Later, we optimized their networks. Now satellite service providers must be PCI complaint. If you aren\u2019t compliant, retailers can\u2019t use your network. The requirements are extremely burdensome, and it is imperative that we do more than just transmit data.\u201d Hughes\u2019 client base includes a large number of enterprise customers that send payment card data over their networks. At last count, the company serves more than 50,000 gas stations, 40,000 retailers and 17,000 restaurants, with the number of credit cards transactions averaging somewhere between 5 million and 6 million per day. In addition, as a PCI compliant \u201cmerchant,\u201d Hughes processes payment card transactions for more than 500,000 users of the HughesNet service in the consumer and SME segment.The PCI Data Security Standard is updated on a three-year cycle. \u201cWhenever new regulations come out, there are deadlines for enforcement,\u201d says Tang. \u201cPCI-DSS Version 2.0 was recently released, and there is a big push to get everyone upgraded, but there is a practical reality to the challenge. System upgrades can be very costly and, combined with a bad economy, many retailers were falling behind on their schedules. When confronted with the challenges, the council softened their deadline a bit, allowing companies who weren\u2019t going to be compliant by this coming July to have an upgrade plan in place, but they have to stick to the plan and make the required upgrades.\u201dThe Council categorizes merchants by size and has different requirements for compliance accordingly. Level 1 includes merchants who process more than 6 million credit card transactions per year. A typical convenience store chain can reach that number with just 20 locations. Level 1 merchants also face an annual on-site audit by a security firm certified by the council. Merchants classified as levels 2-4 handle fewer numbers of transactions each year and must complete an annual self assessment. In addition, all merchants must have quarterly network scans performed by a PCI Approved Scanning Vendor. <\/p>\n
Satellite service providers must meet the same PCI requirements as a payment gateway, which is an entity that acts as a front end to a card brand. \u201cAlthough we technically aren\u2019t a payment gateway, we are treated as one by PCI and fall under the same scrutiny when it comes to security,\u201d says Scott Hutchinson, director of application engineering at Spacenet. Network security has become much more important to network operators and their customers as satellite networks intermingled with the Internet. PCI requirements take security requirements to a new level, forcing satellite service providers to take on new duties, including log management. Credit card terminals communicate with central servers, and logs of every transaction are kept as an audit trail. Intrusion detection systems and intrusion prevention systems monitor transactions and filter out anomalies from routine network traffic. Every irregularity, which might be a hacker attempting to penetrate security, must be screened by a human to ensure there is not a vulnerability. Logs are required for evaluation should a security breech occur. <\/p>\n
LogRhythm specializes in log management and security information event management (SIEM) and sells tools to collect and monitor logs required by PCI. Recent changes in PCI guidelines were significant regarding central log tracking, and many service providers understand that it is demanding and costly to develop and maintain their own in-house log monitoring tools. \u201cThe primary regulation of concern to application monitoring is the new regulation PCI PA-DSS 4.4, which states that payment applications must facilitate centralized logging,\u201d says Eric Knight, knowledge engineer at LogRhythm. \u201cAlthough this is a seemingly small change, there are some big issues which must be addressed. This means that many environments were not logging their applications before. It also means custom collection and rules for log repositories and SIEM technologies are likely to be required. These types of changes make it much more challenging for companies with home grown logging systems to be complaint,\u201d he says. <\/p>\n
Point-of-sale terminals run the gamut from simple card-swipe systems to stand-alone computers. A good example of a complex point-of-sale terminal is a new-generation gas pump, which offers more services but increases the potential of a security breech. Scoping, or segmenting the local area network at a retail location in order to minimize the scope of a PCI audit is a hot topic. \u201cThe biggest challenge to a PCI audit is at the store level,\u201d Hutchinson says. \u201cA good example is a LAN-connected card reader in a store. The C-store owner may want to add another PC to the LAN to provide back-office functionality, but that is a security risk. The goal is to limit the card holder data environment. Spacenet\u2019s Prysm Pro incorporates a router and firewall and provides logical and physical LAN segmentation. This approach ensures that the credit card data is isolated and protected.\u201d <\/p>\n
VSAT networks previously were considered to be secure, and credit card data traversing them was not required to be encrypted, but that has changed. PCI now considers data that is sent over the air \u201cnot secure,\u201d and due to the change, credit card data transactions now must be encrypted over a satellite network. \u201cThe PCI Council doesn\u2019t specify a specific encryption algorithm,\u201d Hutchinson says. \u201cThe language in the latest requirement states only that a \u2018strong cryptographic algorithm\u2019 must be used.\u2019 Whenever you add data encryption to payload data it adds overhead, which, in turn, requires more space segment and drives the prices up for end users.\u201d <\/p>\n
Satellite networks are not the only wireless devices affected by the new requirements. Wireless LANs also have come under scrutiny. \u201cMany retailers use wireless access points inside their stores to simplify wiring, and many allow customers to access the Internet through the wireless infrastructure,\u201d says Tang. \u201cHackers may sometimes set up rogue wireless access points on the retailer\u2019s store network and then sit in their cars in the parking lot and steal credit card information. To meet the PCI requirements on a quarterly basis, someone from the retailer would physically have to go on site with a wireless scanner to check for rogue wireless access points. The original wording was very ambiguous and the requirements were extremely burdensome. The retailer either had to send a technician to the store, or ship a wireless analyzer and then scan for rogue devices. Last October, the council changed the language which allows some options. Hughes now provides PCI Wireles Scanning Services which automates this process. An access point is installed at all locations that continuously monitors for wireless devices. Rogue devices are automatically identified and blocked. We can even send a technician to the remote location to remove the unauthorized device.\u201d <\/p>\n
The U.S. Federal Trade Commission estimates that 9 million Americans are affected by identify theft every year. While it is hard to place an exact figure on the financial losses of merchants and financial institutions, but the number is overwhelming. As a direct result, the payment card industry is moving to make sure companies community provide the highest level of security for card holder data. \u201cThe importance of PCI compliance is growing. Changes in PCI requirements happen quickly and are often significant, making them a challenge to meet by the specified deadline,\u201d Tang says. <\/p>\n
While helping to ensure the security of card holder data, PCI requirements effectively have become a stiff barrier to entry for new satellite service providers. No longer can a satellite service provider buy an uplink, equip it with baseband hardware and offer data transmission services to retail clients. A provider\u2019s entire operation must now be PCI compliant, or else the credit card processors will not do business with them. As the requirements to be PCI compliant become even more stringent, look for existing VSAT providers to offer even more value-added services to their core transport services and the number of competitors serving the retail segment to shrink.<\/p>\n
\nGreg Berlocher has been active in the satellite industry for twenty five years and is the President of Transcendent Global Networks LLC.\n<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
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