Over half of employers now rely on AI for hiring, prompting candidates to embed invisible instructions to manipulate rankings.
Job seekers are embedding hidden instructions in resumes to exploit AI screening tools used by 51% of organizations, according to a 2025 survey. The tactic, called “prompt injection,” involves concealing text readable only by AI to boost rankings.
Traditional keyword optimization is being replaced by these covert prompts, which remain invisible to human recruiters but influence automated systems. Career coaches and recruiters on social platforms highlight the trend as a response to increasingly automated hiring processes.
Employers, particularly in tech and innovation sectors, are taking note, with some viewing the tactic as a sign of adaptability in candidates. However, recruiters warn it could disrupt hiring workflows if widely adopted.