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Mindset needs to change

Has cybersecurity gone insane? asks Paul German, pictured, CEO, Certes Networks. He suggests it’s time for a new approach with network security, and that it’s time to strip network security back and focus on the data.

What should organisations really be protecting?

Ultimately, by overcomplicating network security for far too long, the industry has failed – which won’t come as a surprise to many. We’ve all learned the lessons from the high profile data breaches such as Dixon’s Carphone and historical breaches like Ticketmaster or Target; what they succeeded in showing us was that attempts to secure corporate networks are just not enough. And the reason for this? Quite simply, it’s because organisations are trying to protect something they no longer own. For a long time, security thinking has focused purely on the network, honing in on the insecurity of the network and trying to build up network defences to protect the data that runs over it to combat the challenges.

Yet, this way of thinking still leaves a problem untouched: we don’t always own the networks over which our data runs, so therefore focusing on this aspects is leaving many other doors wide open. The corporate network used to remain in the data centre, but in the digital economy present today, the corporate network spans over corporate locations worldwide, including data centres, private clouds and public clouds. Additionally, this data is not just shared with employees, but to third parties whose devices and policies cannot be easily controlled. Add legacy security measures into the mix which simply weren’t constructed to address the complexity and diversity of today’s corporate network, and it is extremely apparent why this is no longer enough. So, what needs to change? First and foremost, the industry needs to take a step in the right direction and put data at the forefront of security strategies.

In an attempt to keep their data and infrastructure secure, organisations have layered technology on top of technology. As a result of this, not only has the technology stack itself become far too complicated but the number of resources, operational overhead and cost needed to manage it have only contributed to the failing security mindset.

Anyone in the IT industry should be able to acknowledge that something needs to change. The good news is that the change is simple. Organisations need to start with a security overlay that covers the networks, independent of the infrastructure, rather than taking the conventional approach of building the strategy around the infrastructure. The network itself must become irrelevant, which will then encourage a natural simplicity in approach.

As well as enabling organisations to better secure their data, this approach also has economic and commercial benefits. Taking intelligence out of the network allows organisations to focus it on its core task: managing traffic. In turn, money and resources can be saved and then better invested in a true security model with data protection at its heart.

To begin this mindset change, organisations need to start thinking about security as an overlay on top of existing infrastructure. They also need to introduce a software-defined approach to data security, enabling a centralised orchestration of security policy. This centralised orchestration enforcing capabilities such as software-defined application access control, cryptographic segmentation, data-in-motion privacy and a software-defined perimeter, data is completely protected on its journey across any network, while hackers are restricted from moving laterally across the network once a breach has occurred. Additionally, adopting innovative approaches such as Layer 4 encryption which renders the data itself useless, and therefore worthless to hackers, without impacting the operational visibility of the enterprise network and data flows, will further ensure the protection of the organisation’s network.

The fact is that the industry has overcomplicated network security for too long. If the industry continues to try the same methods over and over again, without making any changes, then there is no chance of progression. It’s time for organisations to start afresh and adopt a new, simple software-defined security overlay approach.


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