The vast majority of successful cyberattacks occur due to the habit of using unreliable or repetitive passwords. The consequences of compromising a key account, such as email, can be catastrophic.
Use a password manager. It allows you to create one ultra-secure master password, and the manager generates, stores, and automatically enters unique complex passwords for each service on websites.An alternative to this, according to specialists, can be the use of mnemonic techniques for creating passwords. For example, take your favorite quote, convert it into an abbreviation, add rules, include special characters, as well as a separate identifier for each service.
Change your passwords once or twice a year, or immediately in case of a data breach.