---
title: OTAC explainer video
description: OTAC explainer video
image: https://blog.ssenstone.com/hubfs/OTAC%20%EB%B9%8C%EB%8D%94%20%EC%98%81%EC%83%81_%EC%98%81%EB%AC%B8.jpg
---
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# OTAC explainer video
[ SSenStone ](https://blog.ssenstone.com/en/video/author/ssenstone)
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# OTAC explainer video
Based on the world’s first one-way dynamic authentication technology, the One-Time Authentication Code(OTAC) originally invented by SSenStone, provides more secure authentication by the only uni-directional dynamic token to overcome bi-directional limitations such as high dependency on push&pull system of network connectivity between clients and servers. By reinventing authentication, SSenStone sets a new standard for authentication in cybersecurity beyond the limitation of existing authentication methods.
SSenStone’s OTAC technology combines the advantages of the three most common authentication systems – user ID/passwords, RSA hardware/software for generating authentication codes, and tokenisation. This provides a solution that is more efficient and more effective than any of these elements individually.
It generates a single dynamic code that both identifies and authenticates the user at the same time and can do so without a network connection. And because it’s a single-use, time-based code that’s unique to the user, it can’t be used by someone else or used again.
SSenStone’s OTAC Solutions transcend existing authentication methods by providing one-way, randomized user/device identification and authentication in an algorithm as a service (AaaS).
[SSenStone | OTAC explainer video](https://youtu.be/Ee-v2tSzmU0?si=lzzQsd5Cz0QrimIo)
### Comments
## Related Posts
[Read more
](https://blog.ssenstone.com/en/video/vlog04)
[OTAC](https://blog.ssenstone.com/en/video/tag/otac) [M2M](https://blog.ssenstone.com/en/video/tag/m2m) [IAM](https://blog.ssenstone.com/en/video/tag/iam) [Payment](https://blog.ssenstone.com/en/video/tag/payment) [Video](https://blog.ssenstone.com/en/video/tag/video)
## [[Vlog] IC Card](https://blog.ssenstone.com/en/video/vlog04)
# Vlog #04 | IC Card
SSenStone embeds OTAC(One-Time Authentication Code) technology on a chip that is used for a...
[ SSenStone ](https://blog.ssenstone.com/en/video/author/ssenstone) Apr 8, 2022 10:20:13 AM
[Read more
](https://blog.ssenstone.com/en/video/otacplc)
[OTAC](https://blog.ssenstone.com/en/video/tag/otac) [Video](https://blog.ssenstone.com/en/video/tag/video)
## [Join PLC-OTAC, an innovation in PLC security!](https://blog.ssenstone.com/en/video/otacplc)
# SSenStone | Join PLC-OTAC, an innovation in PLC security!
Join PLC-OTAC, an innovation in PLC security!...
[ SSenStone ](https://blog.ssenstone.com/en/video/author/ssenstone) Mar 27, 2024 11:19:12 AM
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