PKI Blog

How to Regain Control of Compromised IoT Device Certificates

Posted by JD Kilgallin on Apr 25, 2018 3:19:42 PM

Imagine a world with no access controls. A free for all resulting in chaos thanks to broken processes, zero audit trails, and no way to administer rights to the appropriate devices or people. Luckily, today’s IoT driven world is layered with access controls designed to streamline and simplify alongside of prioritizing the most important aspect - security. With CMS VerdeTTo and the VerdeTTo Access Valve for ThingWorx, devices can be constrained to only access systems under certain conditions, such as connecting from certain known locations or during certain expected operating hours. VerdeTTo also allows devices with compromised certificates to quickly be disabled, preventing them from accessing network resources and systems. Just one click changes a metadata value for the compromised certificates through the VerdeTTo portal, while the VerdeTTo Access Valve immediately terminates the device’s access to the ThingWorx platform. But once a device is compromised (especially if a broad range of devices are compromised) how do you securely bring everything back online?

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Topics: Public Key Infrastructure, PKI, IoT, Internet of Things (IoT), LiveWorx, Cryptography

“CAN YOU KEEP A SECRET?” KEEPING YOUR IOT DEVICES SAFE AND SECURE–CRYPTOGRAPHY 101

Posted by Anthony Ricci on Sep 13, 2017 10:35:59 AM

Why do I care about cryptography as an IoT architect? What is the deal with cryptography? Why does cryptography matter in the IoT world?

Currently, it is estimated that there are about 8.4 billion devices online.  Within the next 3 years, the number will be over 20.4 billion devices.  As more connected devices are deployed, there becomes a greater need to control and manage the identity of those devices. There is also a need to protect the devices “data at rest” and “data that is transmitted.” Cryptography gives us a way to do that with high assurance and reliability.

 

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Topics: Public Key Infrastructure, PKI, IoT, Internet of Things (IoT), LiveWorx, Cryptography

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