I'm sorry to hear that you and your family have been affected by unauthorized charges on Facebook. Here are some tips to keep yourselves protected from phishing attacks:
1. Enable two-factor authentication (2FA) for all your online accounts, including Facebook. This will provide an additional layer of security to your accounts.
2. Be vigilant of emails or messages that ask for your personal or financial information, especially if they come from unknown sources. Do not click on links or download attachments from such emails.
3. Always verify the legitimacy of a website before entering your login credentials or other sensitive information. Look for the "https" at the beginning of the website's URL and the padlock icon in the address bar.
4. Regularly monitor your online accounts for any suspicious activity, such as login attempts or changes in personal information.
5. Educate yourself and your family members about common phishing tactics and how to identify them, such as misspellings, fake URLs, or urgent requests for personal information.
Remember to stay alert and cautious when it comes to online security. If you notice any suspicious activity or receive any phishing emails, report them immediately to the relevant authorities.