ALPR Systems Are Being Hacked – Here’s What the Industry Isn’t Talking About

Ever heard how fact is stranger than fiction? It’s scarier too!

A security researcher recently used publicly available network scanning tools to find over 170 live ALPR cameras in major US cities (including Nashville and Chicago). The person used open remote access ports and factory-default passwords that had never been changed. Within minutes, they had administrative access to devices monitoring public infrastructure.

This finding, documented by Upstream Security and corroborated by a formal CISA advisory (ICSA-24-165-19), highlights a known but persistent problem. It’s that default credentials, open ports, and unencrypted data streams remain common across many deployed ALPR systems. The industry has published guidance for years, from CISA advisories to CJIS security policies, but adoption has been uneven.

If a researcher can find these gaps that quickly, so can malicious actors.

In this blog, you’ll unearth the truth about the real attack vectors into ALPR systems, what regulators are now requiring, and which hardware security features actually prevent these breaches.

Why ALPR Is a High-Value Target for Hackers

Every time an ALPR camera reads a plate, it captures three pieces of data – the plate number, the camera’s GPS coordinates, and a timestamp. Do that tens of thousands of times across a city, and you have a detailed movement record of vehicles, and by extension, their drivers.

Multiply that across a regional network of freeways, toll plazas, parking structures, and patrol cars, and the data begins to resemble a surveillance log that would otherwise require a court order to assemble.

Many early ALPR systems were primarily designed to read plates quickly, store the data, and share it with dispatch. Security architecture was often treated as something to configure after deployment rather than something to engineer from the start. While this may have been defensible when cameras operated only in controlled, isolated settings, the rapid expansion of ALPR deployments has outpaced security standardization in many cases.

ALPR cameras now cover freeways, toll plazas, parking structures, and law enforcement vehicles. Some deployed systems continue to run on legacy architectures that predate current federal security guidance (such as CISA advisories and CJIS v6.0).

Not every installation is vulnerable. But enough are, such as the Upstream Security scan of 170+ cameras, which showed that the attack surface is real. Each exposed port, default credential, and unencrypted stream is a potential entry point. Reducing that surface requires intentional security architecture, not just post-deployment patches.

What Are The Three Main Attack Vectors Into ALPR Systems?

Open ports and default credentials

CISA’s 2024 advisory (ICSA-24-011-03) formally flagged serious vulnerabilities across multiple ALPR platforms, such as factory-default Wi-Fi passwords and open remote access ports on units deployed in active law enforcement environments. Default credentials are among the first things any attacker tests.

Despite years of industry warnings, they remain a persistent problem in some deployments.

Unencrypted data streams

The Upstream Security investigation found ALPR cameras broadcasting live plate data to the open internet due to misconfigured network settings, accessible to anyone without authentication. This means the full capture record (plate number, GPS coordinates, and timestamps) travels over public networks without encryption, readable by any device positioned to intercept it.

This issue has been documented across multiple cities and camera models.

Physical debug ports

Researchers have documented hardware-level vulnerabilities in deployed ALPR units, including open JTAG and UART debug ports left active on production hardware from the manufacturing phase. These ports can give an attacker system-level access without requiring a full device teardown.

Someone with basic hardware tools and physical proximity could exploit the device, potentially without leaving a log entry. This threat model differs from remote exploitation. It requires physical access, making roadside and parking-deployed cameras particularly relevant targets.

CISA and independent researchers have consistently documented vulnerabilities across multiple ALPR platforms. This is a sector-wide pattern, not a series of isolated incidents.

Why the Audit Log Problem Is an Insider Threat for ALPR Systems

The vulnerabilities described above assume someone is trying to break in from the outside. However, that is only part of the problem.

Unauthorized internal access to ALPR data is a documented and growing concern. Officers, administrators, or third-party contractors with valid system credentials can run searches that have no operational justification. When those searches go unlogged, or when log records can be retroactively deleted, the misuse becomes impossible to prove after the fact.

The absence of write-protected audit trails creates both a governance problem and a legal one.

Several US states, such as California, Washington, and Virginia, have passed laws mandating proper audit trails, data retention limits, and access controls for ALPR systems. It has become a legislative trend, tracked by the Electronic Frontier Foundation. The legislative response was driven largely by documented incidents in multiple cities where agencies could not produce adequate records in response to public records requests.

The consequences included civil lawsuits and, in some cases, contract terminations. Regulators reviewed the pattern and stopped treating these incidents as isolated failures.

Addressing this gap demands policy enforcement at the agency level and hardware that supports tamper-evident and write-protected logging, which is a responsibility shared between camera vendors, VMS providers, and agency IT teams. Therefore, Write-Once, Read-Many (WORM) audit logs are becoming a legal necessity.

What Regulators Are Doing To Prevent ALPR Hackers

The security community’s alarms are sounding louder than ever, and regulators are stepping in with enforcement frameworks carrying real deadlines. Agencies that handle criminal justice information or operate ALPR networks should be aware of the following enforceable standards.

• CJIS Security Policy version 6.0, released in October 2024, carries a full enforcement deadline of October 1, 2027. Any agency handling criminal justice information (for instance, ALPR data used in law enforcement investigations) will be required to meet those standards or face access restrictions.
• Washington State’s Senate Bill 6002, passed in March 2026, directly restricts how agencies share ALPR data with federal agencies, following documented cases of misuse.
• The Electronic Frontier Foundation is tracking active ALPR-specific legislation in more than 16 US states, with measures covering data retention periods, sharing agreements, and audit requirements.
• CISA’s 2024 advisory formally flagged ALPR systems as a security risk requiring coordinated industry response, which happens to be a significant escalation in federal attention to this technology.

10 Things a Secure ALPR System Should Have

1. Secure boot with hardware root of trust: Firmware must be signed at the silicon level, meaning malicious code cannot execute on the device even with physical access. Platforms such as NVIDIA Jetson and select NXP i.MX series support this capability.
2. Dedicated TPM (Trusted Platform Module): Cryptographic key generation and storage must happen on the device itself. Private keys should never be transmitted or stored externally.
3. Encrypted device storage: Captured images and video must be held in an encrypted partition on the device. If a unit is stolen or confiscated, the data must be unreadable without authorized credentials.
4. Disabled debug ports on production units: Researchers have documented open JTAG and UART debug ports as an active exploitation vector on deployed hardware. Production units must have these disabled before leaving the factory.
5. Edge-only LPR processing: License plate recognition inference should happen on the camera itself, with only metadata transmitted to back-end systems. Raw video should only leave the device over encrypted channels when operationally required for forensic review.
6. NDAA-compliant hardware: The supply chain carries as much risk as the software stack. Request a full Bill of Materials from any vendor rather than accepting a written compliance claim at face value.

Please note that the items below (7 to 10) describe system-level requirements, which depend on the broader architecture (VMS platforms, backend systems, and agency policy), not the camera hardware alone. Hence, camera vendors should confirm compatibility with systems that provide these capabilities.

7. CJIS and region-specific justice information system standards: Encryption at rest and in transit, auditable access controls, and background-checked user policies must be part of the system architecture.
8. Encrypted communication protocols: All data transmitted from the camera must travel over encrypted channels, eliminating man-in-the-middle interception risk.
9. Immutable WORM audit logs: Every search and every data access event must be recorded in a Write Once, Read Many database that cannot be altered or deleted.
10. Granular data sharing controls: Agencies must have administrative controls to manage data sharing with neighboring departments and federal agencies separately, making compliance with laws like Washington SB 6002 manageable without system-level workarounds.

Ultimately, the ALPR camera vendor you select is making security decisions that your organization will own. When a camera goes on a cruiser or a highway overpass, the architectural choices embedded in that hardware become part of your agency’s liability profile.

Also, agencies evaluating any ALPR camera vendor should request independent security documentation for the following before procurement:

• Secure boot verification
• TPM specifications
• Supply chain compliance evidence

How e-con Systems Approaches ALPR Camera Security

Every attack vector in this blog traces back to a hardware decision made before deployment.

• Open ports and default credentials persist because devices ship without hardened configurations
• Unencrypted data streams exist because plate recognition happens in the cloud, forcing raw video to travel over public networks
• Debug ports remain active because production units aren’t locked down at the factory

e-con Systems® designs, develops, and manufactures embedded vision solutions from custom OEM cameras to complete ODM platforms. With 20+ years of experience and expertise in embedded vision, we design ANPR cameras and edge AI vision boxes where recognition happens on the device. The plate data is processed at the edge, which means the raw video doesn’t need to leave the camera at all. That eliminates the unencrypted stream vector by design.

Our production hardware is built for ITS deployment environments, such as roadside poles, gantries, and parking structures. These are areas where physical access by unknown parties is a real threat model.

For agencies and integrators building systems that need to meet CJIS, federal procurement requirements, and emerging state-level ALPR regulations, the camera architecture you choose determines what’s possible at the system level. After all, security features that aren’t in the hardware can’t be patched in later.

Building an ALPR system that needs to meet current security requirements?

Talk to our ITS expert by writing to camerasolutions@e-consystems.com.

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FAQs

Why are ALPR systems attractive targets for hackers?

ALPR systems capture license plate numbers, GPS coordinates, and timestamps. When this data is collected at scale through highway, parking, tolling, and law enforcement networks, it can reveal detailed vehicle movement patterns.

What are the main attack paths into ALPR systems?

Common attack paths are open ports, factory-default credentials, unencrypted data streams, and active debug ports on deployed hardware. Each weakness can give attackers access to sensitive plate data or system controls.

Why do audit logs matter in ALPR systems?

Audit logs record such as who accessed plate data, when they accessed it, and why. Write-protected logs help agencies detect misuse, respond to public records requests, and prove that data access followed policy.

What are regulators doing about ALPR security risks?

Regulators are adding tougher requirements around access control, data retention, audit trails, and data sharing. CJIS Security Policy version 6.0, Washington SB 6002, state-level ALPR laws, and CISA advisories all point toward higher accountability.

What should agencies demand from secure ALPR vendors?

Agencies should ask for secure boot, hardware root of trust, TPM-based key storage, encrypted device storage, locked debug ports, encrypted communication, WORM audit logs, NDAA-compliant hardware, and CJIS-compatible architecture and applicable regional justice information system standards.