Keeping all your accounts secure is incredibly important, which is why we're running a series about how two-factor authentication can improve security, and how to enable 2FA on all your commonly-used accounts. An issue with legacy logins recently lead to hackers gaining access to 160,000 Nintendo Accounts, so it seems a good a time as any to explain how to set up two-factor authentication on Nintendo's online services.
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Your online accounts (or at least, some of them) probably have troves of personal data in them, which is why hackers are constantly looking for ways to break into them. Passwords are usually their way in, as many people re-use passwords or choose common phrases. Even sharing the same password across two or more services can lead to trouble, as publicly-accessible password dumps become more common. Two-factor authentication, or 2FA for short, adds a second step to the login process that usually involves a temporary code or physical key — which makes it much harder for hackers to gain access to your accounts.
Adding two-factor authentication to your online accounts is a great way to stay secure, as it means an attacker will need more than just your password if they want to gain access to your data. Your Google account likely has a treasure trove of data, especially if you use Gmail, so it's probably one of the services you need to protect the most.