2FA readiness of social media giants and tech giants

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2FA or two factor authentication is a mechanism of using another means of user authentication besides solely rely on password. 2FA or MFA (multiple factor authentication) would greatly increase the security. These are the common 2FA deployed in many internet web sites:

  • One time password send over E-mail or SMS
  • TOTP (Time-based One-Time Password algorithm)
  • U2F (Universal 2nd Factor)
  • WebAuthn (FIDO2 Web Authentication)

Now, most popular social media web sites and e-commerce sites had already supported at least one or multiple 2FA …

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SSD controllers and customization

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A SSD controller manages the data stored on SSD and communicates with a computer or electronic device. It is a very important component and it would affect the performance of an SSD. I won't go into details about SSD controller here. Check the further reading section if you are interested.

It is very expensive (in millions of dollar) to develop a SSD controller. Most SSD manufacturers (for example: Corsair, Kingston, etc.) would not develop their own SSD controller. Instead, SSD manufacturers purchase …

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This is my first post

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Welcome to my blog. You can call me Kappa.

My blog is about computing. Topics that I am currently interested are

  • IT and IoT news and trends
  • Linux
  • Security
  • Storage

We are not locked into any of this, we would include other interesting topics as we learn and grow. I would also mention technical difficulty in each of the articles. Level 1 is the easiest. Level 2 is more technical and so on …

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