California Cyber Crime Center

California Cyber Crime Center (C4)

C4 unifies California Department of Justice's (DOJ's) resources to investigate and prosecute cyber crime, enhance digital evidence capabilities, and promote innovation. C4 supports DOJ internally as well as local and state law enforcement agency partners throughout the cyber crime lifecycle by providing services, technical assistance, and training related to cyber crime, digital evidence, and digital forensics. C4 also advances DOJ's internal capabilities to utilize digital evidence for investigations and litigation.

Mission Statement

To investigate, prosecute, and prevent crime by harnessing the Department's expertise in cyber crime, cyber security, and digital evidence.

Suite of Services

C4 offers a comprehensive portfolio of services spanning investigation, forensic analysis, and prosecution including:

  • Digital forensics analysis support (e.g. cell phones, social media, etc.)
  • Investigation and prosecution of cyber crimes
  • Technical assistance for cyber crime investigation and prosecution
  • Technical assistance for network security
  • High quality cyber crime and security training on digital evidence, legal services and investigations
  • Research and development of advanced forensic tools, techniques, best practices, and policy recommendations regarding cybercrime

Participating DOJ Sections

  • Bureau of Forensic Services – Digital Evidence Program
  • Criminal Law Division and Bureau of Investigations – eCrime Unit
  • California Justice Information Services Division – Office of Digital Investigations
  • California Justice Information Services Division – Network Information Security Section
  • Public Rights Division – Privacy Enforcement and Protection Unit
  • Division of Administrative Support – Litigation Support Unit

Notable Cases

October 6, 2016
Attorney General Kamala D. Harris Announces Criminal Charges Against Senior Corporate Officers of Backpage.com for Profiting from Prostitution and Arrest of Carl Ferrer, CEO

Arrest of the CEO and controlling shareholders of Backpage.com, which hosted ads for "escort services", essentially operating as an online brothel and generating millions of dollars off the illegal sex trade. Led by the eCrime Unit, with the participation of the Office of Digital Investigations, C4’s critical expertise in digital forensic analysis, and cyber crime proved instrumental to investigating the case.
Attorney General Kamala D. Harris Announces Criminal Charges Against Senior Corporate Officers of Backpage.com for Profiting from Prostitution and Arrest of Carl Ferrer, CEO

January 19, 2016
Attorney General Kamala D. Harris Announces Arraignment of Riley Bangerter in Placer County Cyber Harassment Case

Attorney General Kamala D. Harris and Placer County District Attorney R. Scott Owens announced the arraignment of Riley Bangerter on 11 charges of identity theft, in a case of cyber harassment. The eCrime Unit found that he had superimposed images of his ex-wife onto pornographic images and posted them online, accompanied by her personal identifying information. The work of the eCrime Unit highlights C4’s dedication and diligence to investigating and prosecuting cyber crime.
Attorney General Kamala D. Harris Announces Arraignment of Riley Bangerter in Placer County Cyber Harassment Case

May 8, 2015
Attorney General Kamala D. Harris Announces No Contest Plea by Cyber-Exploitation Website Operator

Cyber-exploitation website operator, Casey E. Meyering, pled no contest to charges of extortion, attempted extortion, and conspiracy. Meyering operated WinByState.com, a website which posted intimate images of victims without consent. C4's digital forensic experts in the Office of Digital Investigations were able to reconstruct the website uncovering previously unknown communications.
Attorney General Kamala D. Harris Announces No Contest Plea by Cyber-Exploitation Website Operator

April 3, 2015
Attorney General Kamala D. Harris Announces 18 Year Prison Sentence for Cyber-Exploitation Website Operator

In the first criminal prosecution case of a cyber exploitation website, Kevin Christopher Bollaert was sentenced to 18 years in prison. Bollaert's arrest arose from a six-month investigation by the eCrime unit, which showcases the breadth of knowledge on cyber crime investigation and prosecution that C4 can offer.
Attorney General Kamala D. Harris Announces 18 Year Prison Sentence for Cyber-Exploitation Website Operator

January 15, 2014
Attorney General Kamala D. Harris Busts Statewide, Multi-Million Dollar Housing Scheme

Attorney General Kamala D. Harris announced the arrest of five individuals who allegedly ran a statewide housing scheme by using adverse possession laws to fraudulently seize at least 23 homes in nine counties. C4 played a pivotal part in the multi-million dollar housing scheme as the BFS Fresno Laboratory processed all digital evidence for this Mortgage Fraud case.
Attorney General Kamala D. Harris Busts Statewide, Multi-Million Dollar Housing Scheme

Reporting Cyber Crime

To report an Internet crime that has occurred in California, contact your local Law Enforcement Agency; your local High Crimes Task Force; or the Attorney General's eCrime Unit

We encourage all victims of Internet Crimes to also contact the The Internet Crime Complaint Center (IC3).

Frequently Asked Questions

For a list of our most frequently asked questions, visit our Frequently Asked Questions page.