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What is an authentication system? Authentication systems are one way that digital systems are safeguarded against unauthorized entry by bad actors. These systems tend to use various types of credentials to verify the identity of the party that is attempting to access them. An authentication system is a layer of security that works to keep security breaches to a minimum by requiring those who are demanding entry to furnish information that may be difficult for hackers to spoof.

There are several varieties of authentication systems. Some systems are very basic and only require users to furnish one type of identifying information. This system, which was the first type of authentication system to be created, is known as a single-factor authentication system. However, in the world of cyber-security there are two further options. The second option is a system type called two-factor authentication. As the name implies, two-factor authentication requires users to submit two types of information before it will grant a user access to the system that it is protecting. The final type of authentication system is what is known as a multi-factor authentication system. This system type requires users to use multiple methods of identification before users can access the system.

The single-factor authentication system is the most straightforward, but also the least secure of the three authentication system options. Two-factor authentication and multi-factor authentication are both more secure, but more time-consuming to employ than single-factor authentication. Multi-factor authentication is the most secure of the three authentication system types.

Leaderboard for Authentication Systems

Check out the members with the highest scores who have reviewed Authentication Systems.

#1. Prateek Agarwal

1800

Points

Technical Program Manager at a university

Reviewed Microsoft Authenticator:

Straightforward to use with a simple UI, and is stable and reliable

#2. Jai Agarwal

1010

Points

IT Project Manager at Orange España

Reviewed Microsoft Authenticator:

Lightweight, scalable, and available for Android and iOS operating systems

#3. Umair (Abu Mohaymin) Akhlaque

645

Points

Enterprise Solutions & Services Head at Duroob Technologies

Reviewed Symantec Advanced Authentication:

Good integration and stability, but could use risk-based authentication

#4. Sean Muller

420

Points

IT Security manager at a energy/utilities company

Reviewed Duo Security:

A highly-scalable multi-factor authentication solution

#5. LuisRodriguez1

370

Points

Support Manager at Sefisa

Reviewed Entrust IdentityGuard:

Easy to use, reliable, with very consistent documentation

#6. NaveenKumar21

350

Points

Senior IT Manager at Excelra

Reviewed Microsoft Authenticator:

Stable, easy to set up, and useful for people who travel a lot

#7. AliceGolakiya

340

Points

Devops Engineer at Infosys Ltd

Reviewed DigiCert PKI Platform:

Cost-effective and facilitates secure communication

#8. Kennedy Kariuki

325

Points

Vendor Business Manager EMEA at Westcon-Comstor

Reviewed Duo Security:

Beneficial viability, good authentication, and reliable

305

Points

Analista de Suporte at NCT InformÃ¡tica

Reviewed Fortinet FortiAuthenticator:

Good self-registration capabilities with responsive support but needs better integration

#10. Mohammed Salhi

280

Points

Security Engineer at Futuretec

Reviewed Fortinet FortiAuthenticator:

Good support that responds quickly, but it's complex to set up and some protocols are not supported

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Scoring Chart

Type	Points
Register	20
LinkedIn Connect	20
Add photo	15
Add bio	15
Add project	20
Write review	50
Review is liked	20
Add a comment	10
Write article	20
Ask question	10
Answer a question	10
Answer is liked	10