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BREADCRUMB

 1. Justice.gov
 2. U.S. Attorneys
 3. Northern District of California
 4. Press Releases
 5. Tracy Resident Charged With Computer Attack On Discovery Bay Water Treatment
    Facility


Press Release


TRACY RESIDENT CHARGED WITH COMPUTER ATTACK ON DISCOVERY BAY WATER TREATMENT
FACILITY

Friday, July 7, 2023
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For Immediate Release
U.S. Attorney's Office, Northern District of California
Former employee of contractor allegedly unleashed computer attack on the town’s
critical infrastructure—the systems controlling its water treatment facility

OAKLAND – A federal grand jury has indicted Rambler Gallo, charging him with
intentionally causing damage to a protected computer after he allegedly accessed
the computer network for the Discovery Bay Water Treatment Facility, located in
the Town of Discovery Bay, Calif., and intentionally uninstalled the main
operational and monitoring system for the water treatment plant and then turned
off the servers running those systems causing a threat to public health and
safety, announced United States Attorney Ismail J. Ramsey and Federal Bureau of
Investigation Special Agent in Charge Robert K. Tripp.

According to the indictment, filed June 27, 2023, and unsealed earlier today,
prior to the attack on the Discovery Bay Water Treatment facility, Gallo, 53, of
Tracy, Calif., was a full-time employee of a private Massachusetts-based company
identified in the indictment as Company A. Company A contracted with Discovery
Bay to operate the town’s wastewater treatment facility; the facility provides
treatment for the water and wastewater systems for the town’s 15,000 residents.
During his employment with Company A, from July of 2016 until December of 2020,
Gallo was the company’s “Instrumentation and Control Tech,” with responsibility
for maintaining the instrumentation and the computer systems used to control the
electromechanical processes of the facility in Discovery Bay.

The indictment alleges that while Gallo was employed with Company A, he
installed software on his own personal computer and on Company A’s private
internal network that allowed him to gain remote access to Discovery Bay’s Water
Treatment facility computer network. Then, in January of 2021, after Gallo had
resigned from Company A, he allegedly accessed the facility’s computer system
remotely and transmitted a command to uninstall software that was the main hub
of the facility’s computer network and that protected the entire water treatment
system, including water pressure, filtration, and chemical levels.

The indictment charges Gallo with one count of transmitting a program,
information, code, and command to cause damage to a protected computer, in
violation of 18 U.S.C. §§ 1030(a)(5)(A) and (c)(4)(B)(i).If convicted, Gallo
faces a maximum statutory penalty of 10 years in prison and a fine of $250,000.
In addition, as part of any sentence, the court may order an additional term of
supervised release, additional assessments, and restitution, if appropriate.
However, any sentence following conviction would be imposed by the court only
after consideration of the U.S. Sentencing Guidelines and the federal statute
governing imposition of a sentence, 18 U.S.C. § 3553.

The charges contained in an indictment are mere allegations. As in any criminal
case, the defendant is presumed innocent unless and until proven guilty in a
court of law.

Gallo made his initial federal court appearance this morning before U.S.
Magistrate Judge Kandis A. Westmore. Gallo’s next appearance is scheduled for
July 20, 2023 before Judge Westmore for further hearing on release conditions.

Assistant United States Attorney Cynthia Frey is prosecuting this case with
assistance from Kathy Tat and Kevin Costello. The case is being investigated by
the FBI.

Updated July 7, 2023

--------------------------------------------------------------------------------

Component
USAO - California, Northern


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