Open-source intelligence (OSINT) uses methods that comply with laws and ethical standards. Wesper does not conduct video surveillance or carry out hacking attacks to steal personal data.

All information stated in Wesper's investigations is accompanied by links to external sources, excerpts from registers, or audio recordings of conversations. We check every source and cross-verify its information with statements from other reliable sources, thus confirming the truth and filtering out lies and unverified facts.

Open sources of information include:
- public registers, databases;
- Wayback Machine and cached pages;
- social media accounts;
- personal and corporate websites and blogs;
- printed and online publications, and forums.

The deadline is from 1 working day to 1 month, depending on the service. There is an ASAP option, with a +50% surcharge for urgency. You can view full information with all the deadlines on the page.