As cyber threats become more common and sophisticated, relying solely on passwords (especially since many people still use 123456 and other equally guessable passwords!) is insufficient to protect our digital lives. So let's talk about Multi-Factor Authentication (MFA) in some detail...

From Two-Factor Authentication to Multi-Factor Authentication

Two-factor authentication (2FA) has long been a popular way to improve online security. As the name suggests, it requires users to provide two types of credentials: a password and a secondary code sent via SMS or email. This provides an additional layer of security by combining something you know (a password) with something you own (a mobile phone or email account).

2FA has successfully lowered the risks of stolen or weak passwords by adding another barrier that hackers must overcome. However, as cyber threats advance, 2FA may no longer be effective. Here's where Multi-Factor Authentication (MFA) comes in. MFA goes even further, requiring two or more independent credentials from three distinct categories:

Something you know: Passwords, PINs, or security questions. 

Something you own: Physical devices such as smartphones, security tokens, or smart cards. 

Something you are: biometrics, which include fingerprints, facial recognition, and voice recognition.

MFA makes it much more difficult for cybercriminals to gain unauthorised access, even if one factor is compromised.

The Future of Security: Why MFA is here to stay

With cyber threats evolving, it's clear that we all need to improve our security measures. Here's why multi-factor authentication is likely to become the new standard for online security.

Stronger security

Let's begin with an obvious one! MFA increases security by requiring multiple forms of verification. This reduces the likelihood of data breaches caused by compromised passwords, phishing attacks, or brute-force hacking attempts. Even if one factor is compromised, additional security measures are in place to prevent unauthorised access.

Improved user experience

While MFA may appear complicated at first and even annoying to use, technology is making it more user-friendly. Biometric authentication methods, such as facial recognition and fingerprint scanning, provide a fast and efficient user experience. As technology advances, MFA will become increasingly integrated into our daily lives, providing both security and convenience.

Compliance and Regulations

Many industries have stringent compliance and regulatory requirements for data security. Implementing MFA helps organisations meet these requirements by adding an extra layer of security that protects sensitive information and reduces the risk of data breaches. As regulations tighten, MFA will become an increasingly important tool for ensuring compliance.

Adaptability to Emerging Technologies

MFA can easily integrate with a variety of platforms and devices. This adaptability ensures that MFA remains relevant and effective in protecting our digital lives, regardless of how technology advances. MFA can be used on a variety of technologies, including smartphones and smart home devices, to provide consistent and reliable security.

Tips for using Multi-Factor Authentication

While MFA provides significant security benefits, there are a few things to consider to ensure a positive experience.

Recovery codes and account access

One important aspect of MFA is the use of recovery codes. These codes serve as a backup method of authentication if you lose access to one of your authentication factors, such as a smartphone. It is critical to keep recovery codes in a safe and secure location separate from your other authentication devices. If you do not do this, you risk being permanently locked out of your accounts, which is a major issue if you use them for business.

Device management and phone swapping

Managing devices is another consideration when using MFA. When you swap or upgrade your smartphone, make sure to transfer your authentication apps and reconfigure your MFA settings to ensure continuous access. Failure to do so can result in frustrating situations in which you are unable to access your accounts until MFA is reconfigured, so you do not want to overlook this!

Ensure consistent security

While multi-factor authentication improves security, it is always important to be vigilant and ensure that all authentication factors are properly maintained and protected. This includes securing your authentication devices, using strong and unique passwords, and staying up to date on the latest security threats and best practices. In other words, don't assume you're safe and forget about cybersecurity fundamentals.

Need some support with your organisation’s cyber security? Contact us today to find out how we can help.

Source: The West Midlands Cyber Resilience Centre

Reporting

Report all Fraud and Cybercrime to Action Fraud by calling 0300 123 2040 or online. Forward suspicious emails to report@phishing.gov.uk. Report SMS scams by forwarding the original message to 7726 (spells SPAM on the keypad).