Email Encryption Techniques

Email Encryption Techniques

In the previous video on Cybersecurity, Ciaran introduced the history and origins of cryptography and the 2 types of techniques used. In this video, Ciaran will explain why it is needed, the different stages at which a mail can be intercepted, how longer keys improve encryption safety and the models and standards used for email encryption today.
Overview

An email is vulnerable at several different points along its journey. All organisations, irrespective of industry and size, use emails to exchange data and documents that may include financial information, customer contracts, employee information, and other forms of sensitive data. Cryptographic techniques can be used to ensure the safe transmission of an email. The longer a key is, the better security it provides for encrypting data and documents in various verticals such as banking, financial services, and healthcare. The length of a key must align with the algorithm that will use it, and most algorithms support a range of different key sizes. 

Key learning objectives:

  • Understand the need for cryptography needed in modern email communications

  • Comprehend the significance of key length in encryption

  • Understand the 2 types of models used in modern email encryption

  • Understand the main encryption standards used irrespective of model type

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Summary
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Expert
Ciaran Rooney

Ciaran Rooney

Ciarán is the Chief Technology Officer of Finance Unlocked Ltd, the company behind the learning platforms Finance Unlocked and Sustainability Unlocked. He has over 20 years of experience in technology, cybersecurity and operations. Ciarán has held the role of CTO of several successful startups, including; busuu, one of the world's largest language learning platforms; the ad tech company Skimlinks, a content monetisation platform for some of the world's largest online publishers; and Swoon, a leading direct to consumer furniture brand. He has also been a technical consultant, a startup mentor, a conference speaker, and the Chair of the PHP UK Conference.

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