Del. Code tit. 10, § 7132

Any person or entity who, in good faith, institutes, participates in, testifies in, or encourages any person or entity to institute, participate in or testify in a civil action brought pursuant to this chapter or who in good faith provides any information relied upon by any person or entity in instituting or participating in a civil action pursuant to this chapter, including but not limited to those persons defined or otherwise identified in §§ 7103 and 7107 of this title, shall have immunity from any civil liability that might otherwise be incurred or imposed.