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Why is the cost of network downtime so high in the banking industry?

October 29, 2019

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The banking industry has changed. Today’s retail banks are actually in the customer service industry. This is due to the fact that there is very little differentiation in product offerings from one bank to another. A checking account, CD, and other account offerings are very similar from one retail bank to another. Banks instead strive to deliver the best experience possible for their customers to set themselves apart from the competition.

As a result of digital transformation, banks must ‘always be on,’ so customers can access their money anytime, anywhere. Any unexpected network downtime can be extremely costly not just for the branch location, but creating lasting implications for the organization as a whole. 


Any system outage or unplanned downtime can have costly impacts on your business, but when that outage is your network, the costs can be enormous. Network downtime is now
costing over $7,900 per minute. Regardless of the size of your organization, an unnecessary $475,000 for an hour of downtime is a cost you don’t want to incur. This is just an average. The larger the organization, the higher the cost any downtime will be.

So why is the cost of network downtime for banks so high? Let’s explore some reasons.

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Any time access

It all goes back to the fact that retail banks are actually in the customer service industry. When customers are unable to access their money, whether an online banking account, mobile app, ATM, or even at a branch, they’re going to be upset and be less likely to trust you in the future. Loss of trust due to the lack of access to their money means that customers are more likely to look at other banking options when it comes time to opening a new account, looking for a loan, etc. This all leads to lost revenue for the bank, based on fewer banking products being sold.

Reputation Matters

Brand reputation is another factor playing into the high cost of downtime in the banking industry. Retail banks like HSBC, Wells Fargo, and TD Bank are some of the most recognizable brands in the consumer market. And you know what else they all have in common? In 2018 they all were victims of highly publicized cyber attacks which led to network downtime and lack of access to banking platforms. Any time a company is in the news for being the victim of a cyberattack, it creates a PR nightmare, causing damage to the brand’s reputation and likely lost shareholder value. 

 

Large, Disparate Networks

Retail banks have large networks due to the geographic distance between different branch locations and the core data center. Banks often rely on IP/MPLS networks to connect branch locations to the data center, with significant branches aggregating traffic from smaller, less significant branches. This can make it difficult to pinpoint where an attack or network issue occurs. Smaller branch locations are also less likely to have the latest security tools and updates than the data center, which makes them more likely to be the source of the network issue. Lack of visibility into these individual networks at the branch locations makes it hard to troubleshoot and resolve issues that caused the network downtime.

It’s often the intangible costs associated with network downtime that are most costly, damage to the brand, lost productivity, and any resulting changes in the business can be hard to calculate. But the first step towards avoiding network downtime starts with building a resilient network with bypass, failsafe technology, and redundancy to ensure your inline security tools are effectively protecting your network.

Looking to add inline or out-of-band security monitoring solutions, but not sure where to start? Join us for a brief network Design-IT consultation or demo. No obligation - it’s what we love to do.

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Heartbeats Packets Inside the Bypass TAP

If the inline security tool goes off-line, the TAP will bypass the tool and automatically keep the link flowing. The Bypass TAP does this by sending heartbeat packets to the inline security tool. As long as the inline security tool is on-line, the heartbeat packets will be returned to the TAP, and the link traffic will continue to flow through the inline security tool.

If the heartbeat packets are not returned to the TAP (indicating that the inline security tool has gone off-line), the TAP will automatically 'bypass' the inline security tool and keep the link traffic flowing. The TAP also removes the heartbeat packets before sending the network traffic back onto the critical link.

While the TAP is in bypass mode, it continues to send heartbeat packets out to the inline security tool so that once the tool is back on-line, it will begin returning the heartbeat packets back to the TAP indicating that the tool is ready to go back to work. The TAP will then direct the network traffic back through the inline security tool along with the heartbeat packets placing the tool back inline.

Some of you may have noticed a flaw in the logic behind this solution!  You say, “What if the TAP should fail because it is also in-line? Then the link will also fail!” The TAP would now be considered a point of failure. That is a good catch – but in our blog on Bypass vs. Failsafe, I explained that if a TAP were to fail or lose power, it must provide failsafe protection to the link it is attached to. So our network TAP will go into Failsafe mode keeping the link flowing.

Glossary

  1. Single point of failure: a risk to an IT network if one part of the system brings down a larger part of the entire system.

  2. Heartbeat packet: a soft detection technology that monitors the health of inline appliances. Read the heartbeat packet blog here.

  3. Critical link: the connection between two or more network devices or appliances that if the connection fails then the network is disrupted.

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