In Arizona, “computer crimes” is the umbrella term for criminal offenses primarily covered by A.R.S. § 13-2316, including unauthorized access, hacking, data theft, ransomware, and the use of a computer to commit fraud. Related conduct is charged under companion statutes A.R.S. § 13-2316.01 (unlawful possession of an access device) and A.R.S. § 13-2316.02 (computer fraud). At the federal level, the Computer Fraud and Abuse Act (18 U.S.C. § 1030) applies when the conduct crosses state lines or involves federal systems or financial institutions.
Computer tampering charges can arise in a wide range of situations, including:
Many cases hinge on whether the access was truly unauthorized and whether there was criminal intent. In Phoenix and throughout Arizona, these cases often involve detailed digital forensic analysis.
Note: If your charges relate to surreptitious recording – recording a person without their consent in Arizona – our firm handles those cases on a separate dedicated page. See our Phoenix surreptitious recording defense page for statute-specific information on A.R.S. § 13-3019 and the defenses available.
Arizona defines computer tampering under A.R.S. § 13-2316 as knowingly accessing, altering, damaging, or destroying any computer or computer system without authorization. This can include a range of activities –
In layman’s terms, computer tampering, in the context of Arizona law, involves unauthorized access or manipulation of computer systems, data, or networks. Our computer crimes defense lawyers at Feldman Royle Ahl have expertise in cyber law and emphasize the importance of understanding the specific legal definitions and implications of computer tampering, as it can have significant legal consequences in defending your case. We also help you understand that the intent behind the actions and the extent of the damage or alteration play a crucial role in these cases.
Computer tampering offenses in Arizona are typically charged as felony offenses. The severity depends on the alleged conduct and the type of system involved.
Depending on the circumstances, charges may range from lower-level felonies to serious felony classifications when critical infrastructure, government systems, or substantial financial loss is involved.
Potential consequences can include:
Felony cases in Phoenix are prosecuted in Maricopa County Superior Court, where sentencing exposure can be significant depending on prior record and the classification of the offense.
Because penalties can escalate quickly, early legal representation is critical.
Unauthorized access to a computer system – sometimes referred to as computer trespass – is the least severe computer tampering charge under A.R.S. § 13-2316, classified as a Class 6 felony carrying 4 months to 2 years in prison.
| Felony Class | Conduct | Prison Range |
|---|---|---|
| Class 2 | Critical infrastructure | 3 – 12.5 years |
| Class 3 | Fraud/scheme via computer | 2 – 8.75 years |
| Class 4 | Altering/damaging data | 1.5 – 3.75 years |
| Class 5 | Reckless terrorizing use | 0.5 – 2.5 years |
| Class 6 | Unauthorized access | 4 months – 2 years |
A.R.S. § 13-2316 on computer tampering does not stand alone. Arizona prosecutors frequently charge related offenses under two companion statutes — and charges under all three can be brought together in a single case. If you are under investigation for any computer crime in Phoenix or elsewhere in Arizona, it is important to understand what each law covers.
This statute makes it a crime to knowingly possess, sell, traffic, control, or publish an access device — such as a password, account number, encryption key, or access code — without the consent of the device’s issuer, with the intent to use or distribute it unlawfully. Arizona law presumes intent to use or distribute when a person possesses five or more access devices without consent.
Penalties under A.R.S. § 13-2316.01 depend on the number of access devices involved:
– Fewer than 5 devices — Class 6 felony (4 months to 2 years prison)
– 5 or more devices — Class 5 felony (6 months to 2.5 years prison)
– 10 or more devices — Class 4 felony (1.5 to 3.75 years prison)
Even a single unauthorized password in your possession can form the basis for a charge if prosecutors can demonstrate intent to misuse it.
This statute targets the unauthorized disclosure of proprietary or confidential computer security information — for example, releasing details about a system’s architecture, vulnerabilities, or security credentials that could enable others to bypass security protections. The law applies regardless of how the information was originally obtained.
A violation of A.R.S. § 13-2316.02 is a Class 6 felony, carrying a prison range of 4 months to 2 years for a first offense.
Security researchers, IT professionals, and employees with legitimate system access are among those who can face charges under this statute if disclosure was made without proper authorization.
At Feldman Royle Ahl, our computer crime defense attorneys in Phoenix handle cases under all three statutes — whether you are facing a single charge or a multi-count indictment. If you have been contacted by law enforcement or believe you are under investigation, call (602) 899-8000 for a free, confidential consultation before speaking with investigators.
Our Computer Crimes Defense Lawyers in Phoenix, AZ, at Feldman Royle Ahl help you understand that you have specific rights, including the right to legal representation and the right to challenge the evidence against you. It’s essential to seek a lawyer experienced in cyber law to navigate the complexities of these cases effectively.
In Arizona computer tampering cases (governed primarily by ARS § 13-2316), individuals have the same fundamental rights as those accused of any other crime, along with specific defense considerations relevant to computer offenses:
Given the technical nature and severe penalties (felony classifications ranging from Class 6 to Class 2) associated with computer tampering, exercising these rights effectively almost always requires the expertise of a skilled computer tampering defense attorney in Phoenix, such as our lawyers at Feldman Royle Ahl.
“Cybercrime” and “internet crime” describe the same conduct covered by A.R.S. § 13-2316 – but these terms are typically used when the alleged offense involves networked systems, online platforms, or remote access rather than direct physical access to a device. Common cybercrime charges in Arizona include:
When a cybercrime involves interstate networks, federal government systems, financial institutions, or causes loss exceeding $5,000, federal prosecutors may bring charges under the Computer Fraud and Abuse Act (CFAA), 18 U.S.C. § 1030 – alongside or instead of state charges under A.R.S. § 13-2316.
CFAA charges carry up to 10 years in federal prison per count for a first offense, and up to 20 years for repeat offenders or cases involving critical infrastructure. Federal cybercrime investigations in Arizona are typically led by the FBI Cyber Division or the U.S. Secret Service Electronic Crimes Task Force.
Feldman Royle Ahl’s team includes a former federal prosecutor who was trained in digital forensics by the U.S. Secret Service and Microsoft, and who worked directly with the FBI, DEA, and IRS on computer crime investigations. That prosecutorial experience is your defense advantage – we know how federal cybercrime cases are built because we built them. Cases are handled in both the U.S. District Court for the District of Arizona and the Maricopa County Superior Court.
Defenses against computer tampering charges can vary. Our computer tampering defense lawyers often explore defenses such as lack of intent to cause harm, authorization to access the system in question, or challenging the evidence regarding the extent of damage or alteration. In some cases, demonstrating a lack of knowledge or understanding of the actions being illegal can also be a defense.
Defending against computer tampering charges (ARS § 13-2316) in Arizona often involves challenging specific elements the prosecution must prove. Here are common defenses:
If you’re facing computer tampering charges in Arizona, you need to hire an experienced computer crimes defense attorney who understands the complexities of digital crime laws. At Feldman Royle Ahl, our experienced lawyers have successfully represented individuals accused of computer tampering throughout the state, whether the charges involve unauthorized access, data theft, or network interference.
Many people charged with computer tampering feel overwhelmed by the technical evidence stacked against them. However, it’s important to remember that the prosecution must prove elements like intent and unauthorized access beyond a reasonable doubt, something that is often challenging in cases involving digital records and forensic analysis.
Our Arizona computer tampering defense attorneys have a proven track record of achieving favorable outcomes, both through plea negotiations and trial victories. If your charges also involve possession of a forgery device under A.R.S. § 13-2004 – such as equipment used to create forged documents or credentials – visit our Phoenix counterfeiting and forgery device defense page for statute-specific information. Contact us for a FREE and confidential consultation across Phoenix, and beyond to discuss how your charges may be reduced, amended, or dismissed entirely.

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