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After the TeleMessage Breach: What Your Agency Can Learn from Exposed Police Texts

In early 2025, a series of investigative reports uncovered a disturbing cybersecurity incident involving TeleMessage (a subsidiary of Smarsh). This breach exposed thousands of police text messages, many of which contained highly sensitive, private, and operational data exchanged between law enforcement officers.

For agencies across the country, this incident served as a wake-up call. It revealed systemic flaws in law enforcement mobile security practices that are currently widespread and growing.

What Really Happened in the TeleMessage Breach?

While technical details continue to emerge, what’s clear is that the TeleMessage breach exposed archived law enforcement messages that were meant to be secure. Stored on a public-facing server with inadequate protection, the messages were easily accessed by journalists and researchers.

The leaked content included:

  • Sensitive conversations between officers and detectives
  • Operational discussions about raids, arrests, and surveillance
  • Personally identifiable information (PII) tied to civilians and suspects

This kind of police text message breach completely undermines public trust and creates serious legal and security implications for active investigations and prosecutions.

Why Law Enforcement Mobile Security Is at Risk

The TeleMessage breach was not an isolated event. It was the result of outdated assumptions about how officers use mobile communication tools. The reality is, most law enforcement agencies still lack secure, scalable mobile strategies. BYOD policies, unsecured messaging apps, and incomplete compliance protocols make agencies vulnerable to exactly this kind of exposure.

Here are the most critical weaknesses:

1. Inadequate Encryption and Data Segmentation

Many departments still allow officers to text and call using their native mobile apps or basic messaging platforms. Unfortunately, these are often not encrypted end-to-end and don’t meet CJIS compliant communication standards.

That means:

  • Messages can be intercepted
  • Communications stored in the cloud or on devices can be accessed
  • Agencies can’t ensure full compliance with chain-of-custody or retention regulations

Without secure mobile communication for police, even routine exchanges can become breach vectors.

2. No Clear Separation of Work and Personal Mobile Use

Most officers use personal phones in the field—but lack a secure, managed solution for police-related communications.

This leads to:

  • Case-related messages stored alongside personal photos and apps
  • Inability to audit or recall police texts
  • Major compliance gaps with CJIS, FOIA, and local data laws

This kind of fragmented use undermines mobile security for public safety and leaves both officers and departments legally exposed.

3. Weak Access Controls and Monitoring

One reason the TeleMessage breach occurred was the lack of robust access governance. Communications were archived for compliance—but stored without adequate session controls or alerting.

In most departments:

  • Messages aren’t monitored in real time
  • There’s no way to flag anomalies or excessive data sharing
  • No visibility means no rapid response to emerging threats

Effective law enforcement mobile security requires active monitoring—not just passive record-keeping.

4. Compliance Gaps Behind the Scenes

Platforms like TeleMessage are often marketed as “compliant,” but compliance is only as strong as the actual implementation. Without proper policy enforcement, encryption, and audit capabilities, CJIS compliant communication becomes a checkbox instead of a reality.

True compliance includes:

  • End-to-end encryption
  • Full admin oversight and control
  • Real-time visibility and alertsAuditable logs and retention policies

The police text message breach made it clear that perceived compliance doesn’t protect you from real-world risk.

What Law Enforcement Agencies Must Do Now to Prevent a Mobile Breach

Here’s an actionable step-by-step guide every agency should follow now to prevent the next breach:


1. Audit All Mobile Communication Channels

You can’t secure what you don’t know exists. Many agencies rely on a patchwork of personal phones, consumer apps, and outdated devices.

  • Inventory all mobile endpoints (phones, tablets, radios).
  • Identify who is using personal devices (BYOD) for work-related texts, calls, or images.
  • Document all messaging platforms used internally and with outside agencies (e.g., SMS, Signal, WhatsApp).

2. Eliminate Unsecured, Consumer-Grade Messaging

Consumer apps may be encrypted, but they’re not compliant with CJIS, FISMA, or agency-specific retention rules. You lose control, visibility, and auditability.

  • Immediately block non-compliant apps using MDM or firewall policies.
  • Educate officers and staff on the dangers of unauthorized messaging (even “just for convenience”).
  • Replace informal texting with approved, logged solutions.

3. Deploy a Compliant Mobile Communication Platform

You need secure, segmented, and auditable communication. That means voice, text, and voicemail are all captured, encrypted, and compliant—without requiring a second device.

  • Partner with a trusted integrator like Premier Wireless to plan and implement a secure mobile communications platform, such as MultiLine.
  • Define user roles and provisioning (e.g., officers, detectives, dispatch).
  • Ensure capture policies match your state and federal retention regulations.

4. Segment Work from Personal Use

Mixing personal and work data is a massive vulnerability—especially in BYOD environments. A single misstep can expose sensitive evidence or compromise operations.

  • Enforce app containerization to isolate agency communication.
  • Use MultiLine’s dual-number approach to separate official channels from personal usage.
  • Prevent unapproved data backups to personal cloud accounts.

5. Set Up Real-Time Monitoring and Alerts

The TeleMessage breach went undetected until the data was already leaked. Real-time insight could have triggered a faster response.

  • Integrate your mobile platform (e.g., MultiLine) with SIEM systems for proactive threat monitoring.
  • Enable usage analytics to detect anomalies (e.g., excessive downloads, unknown access points).
  • Create alert thresholds for behaviors like high message volumes, failed logins, or unusual session times.

6. Enforce Encryption and Retention Policies

Even if someone gains access, encrypted communications can remain protected. At the same time, agencies must be able to prove compliance under CJIS or in court.

  • Mandate encryption in transit and at rest for all mobile data.
  • Use platforms like MultiLine that provide automatic voice and SMS capture with court-admissible logs.
  • Apply retention policies to preserve evidence and fulfill FOIA or subpoena requests.

Feeling Overwhelmed? You're Not Alone—But You're Not on Your Own

For many law enforcement agencies, tackling all of these mobile communication risks at once might feel overwhelming, and that’s completely understandable. Balancing operational demands, compliance requirements, and the growing sophistication of cyber threats is no small task.

That’s exactly where Premier Wireless comes in.

As a trusted mobility partner for public safety agencies across the country, we help departments modernize and secure their communications—without straining your team or your resources. Through our strategic partnership with Movius, we bring the power of MultiLine directly to your officers, investigators, dispatchers, and leadership, with full implementation support from planning to rollout.

What Is MultiLine?

MultiLine is a secure mobile communications platform that gives your team a second, dedicated business line on their existing smartphone—without needing a second device. Every call, message, and voicemail sent through MultiLine is:

  • Encrypted end-to-end (in transit and at rest)
  • Compliant with CJIS, FISMA, and HIPAA for law enforcement and agencies handling health data
  • Auditable with built-in retention, archiving, and discovery tools
  • Isolated from personal use to ensure separation of public records and personal activity
  • Easy to manage through a centralized admin dashboard

Whether you're a city police department, county sheriff's office, or a state agency, Premier Wireless will tailor MultiLine to your operational needs and compliance mandates. From policy configuration to user training and ongoing support, we’re your end-to-end mobility partner.

Let’s secure your mobile future. Contact Premier Wireless today to schedule a strategy session or request a demo of MultiLine in action.