How to add 2-factor (2FA) verification to your Nintendo Account

Nintendo accounts are getting hacked and used to buy Fortnite currency

160,000 Nintendo accounts were compromised—including one of ours [Updated]

https //accounts.nintendo.com/reauthenticate/device Access Code: Nintendo Reauthenticate Device

Nintendo Accounts Possibly Breached: Recommendation To Turn On Two Factor Authentication - News - Nintendo World Report

My brother gave me his Nintendo login so I could play his digital games but it's giving me this warning. I'm pretty sure his account is already linked to his Switch, so

Help with logging into warframe.com using Nintendo Switch account (details in comments) : r/Warframe

Enable two-factor authentication for your Switch account now – Destructoid

Nintendo confirms that over 160,000 network IDs have been hacked, urges users to take action now – Destructoid

Nintendo Network adds two-factor authentication - Polygon

Potential fixes for the Account Authentication Expired error in Pokemon Unite