@veganique it really depends on what is your scenario. You can use this great website to find solutions depending on your threat model: https://privacyforjournalists.org.au/threat-modeling-for-journalists Security in a box is another great source as well for anonymity and secure communication tools: https://securityinabox.org
Tools and tactics for activists - Tactics: basics of digital security and recommend tools you can use https://securityinabox.org/ #security