There is no silver-bullet certification available for forensic investigators. But apart from the Certified Information Systems Security Professional (CISSP) there are a few diverse, vendor-neutral certifications for those who wish to establish and enhance their skill sets. Certified Information Forensics Investigator (CIFI) is designed to demonstrate expertise in all aspects of the information investigative process. Certified Forensic Computer Examiner (CFCE) and Certified Electronic Evidence Collection Specialist (CEECS) are forensic certifications offered for law enforcement.”]
Source: https://www.csoonline.com/article/2117072/forensic-certifications.html