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A note from our Directors

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The Directors, TSCM Partners

TEMPEST Testing for High-Assurance Environments

Unintended electrical leakage can carry keystrokes and screen content out of a room. TSCM Partners scopes TEMPEST-oriented and compromising-emanations testing for environments that need elevated assurance for US entities at home and abroad.

Engage this path when accreditation intent, government-adjacent work or highly sensitive processing means a conventional bug sweep alone is not enough.

Wanted and unwanted radio equipment in a busy building, TSCM Partners.

What TEMPEST Testing Covers

TEMPEST is the name for unintended electrical leakage from ordinary equipment. Keystrokes, screen contents and other data can leave as coil whine from a power brick, a status light flickering faster than the eye, or radiation from a video cable.

TEMPEST testing and related side-channel checks sit next to hunting for planted devices. Both belong in the same survey when the information is sensitive enough that shielding and equipment placement matter as much as microphones.

We frame TEMPEST-oriented work as a technical service with clear scope, not a marketing label on a standard room sweep, and we pair it with SCIF and infrastructure advice when accreditation is in view.

Boardroom AV, ceiling and adjacent-route callouts. TSCM Partners · Marko Tuisk · tscmpartners.com
Sensitive information exposure points in an executive office. TSCM Partners · Marko Tuisk · tscmpartners.com

When Should You Consider TSCM Partners Services?

These are some of the situations in which organizations engage TSCM specialists to assess, investigate and address potential technical surveillance risks. Professional TSCM services help protect sensitive business information, safeguard confidential communications and provide greater assurance to business owners, executives, directors and other stakeholders.

  • Wearable technology and smart devices as potential surveillance risks

    Concerns about smart glasses, wearable cameras, audio recording devices and other connected technology being used to capture or transmit sensitive information from within business premises. Assessing potential risks associated with unauthorized recording, wireless transmission and personal electronic devices in sensitive environments.

  • Confidential conversations and meeting rooms at risk of eavesdropping

    Assessing the potential for confidential conversations to be overheard, recorded or intercepted through technical surveillance devices, acoustic leakage and other vulnerabilities. This includes risks associated with adjacent offices, meeting rooms, corridors, floors and neighboring spaces.

  • Sensitive corporate information and commercially damaging information leaks

    Assessing potential technical surveillance risks surrounding confidential business discussions, including corporate strategies, financial results, product development, mergers and acquisitions, commercial negotiations and future business plans. Unauthorized disclosure of such information can compromise negotiations, competitive advantage, business decisions and market-sensitive announcements.

  • New buildings and office developments requiring security assessment before occupation

    Assessing newly constructed or refurbished offices, boardrooms and confidential meeting spaces for potential technical surveillance vulnerabilities before they become operational. This includes examining relevant physical, structural, technical and electronic exposure points that could compromise the confidentiality of future business activities.

  • Security risks associated with employee, contractor and third-party access

    Assessing potential technical surveillance and information security risks associated with access to sensitive business premises by employees, contractors, maintenance personnel, service providers and other third parties. The objective is to identify potential vulnerabilities in the environment and ways sensitive information could be accessed, recorded or disclosed without authorization.

  • Corporate events and conferences as potential recording and information leakage environments

    Assessing potential technical surveillance risks during internal and external corporate events, including board meetings, conferences, presentations, product launches and executive gatherings. Particular consideration is given to recording devices, wireless technology and the confidentiality of discussions held at your premises or external venues.

  • Hotels, conference centers and temporary venues used for confidential business activities

    Assessing potential technical surveillance risks in hotels, conference centers, hired meeting rooms and other temporary environments used for confidential business activities. Inspections may include guest rooms, boardrooms, meeting spaces and other areas where sensitive conversations take place, particularly when the organization has limited control over the premises.

  • Competitive sports and sensitive team information at risk of unauthorized disclosure

    Assessing potential technical surveillance risks in professional and competitive sporting environments, including team facilities, changing rooms, briefing areas, accommodation and venues used for confidential tactical discussions. Protecting sensitive information about tactics, preparation, team strategies and other commercially valuable information from unauthorized recording or disclosure.

  • Vehicles and transport environments used for confidential business activities

    Assessing cars, executive vehicles, corporate fleets, aircraft and vessels for potential technical surveillance risks. Particular attention is given to vehicles and transport environments used for confidential conversations, executive travel, sensitive meetings and the movement of individuals or information.

  • Executive protection and high-profile individuals

    Assessing potential technical surveillance risks affecting executives, business owners, directors and other high-profile individuals. This may include private residences, personal offices, vehicles and temporary accommodation used for confidential conversations and sensitive activities.

The room where speech has to stay private. TSCM Partners · Marko Tuisk · tscmpartners.com
Nearby buildings and the streets around the location, TSCM Partners.

Are Your Existing Security Arrangements Covering Every Environment?

IT and cybersecurity teams play an essential role in protecting digital infrastructure, networks, endpoints and information systems. Facilities and physical security teams manage buildings, access controls and the physical protection of people and assets.

However, protecting confidential business conversations and physical environments against technical surveillance requires additional specialist knowledge.

Who assesses whether conversations can be overheard from adjacent rooms? Who examines the acoustic privacy of executive meeting spaces? Who identifies unauthorized wireless devices operating outside the organization's managed network? Who evaluates the potential for covert recording equipment to be concealed within an office or meeting environment?

These responsibilities are not necessarily covered by conventional IT, cybersecurity or facilities management activities.

TSCM Partners works alongside your existing departments to assess these specialist risks, identify potential vulnerabilities and provide recommendations for appropriate countermeasures.

Your existing security teams protect important parts of your organization. We help address the technical surveillance risks that can exist beyond their conventional areas of responsibility.

How TEMPEST Engagements Run

We align on rooms, equipment and assurance intent first, then test and report in language facilities, security and accreditation stakeholders can use.

  • Compromising emanations scope

    Define which equipment, cabling and viewing paths are in bounds, and whether radiated or conducted leakage is the priority.

  • Room and infrastructure context

    Relate findings to shielding, layout, cable routes and secure-room design so remediation is practical, not theoretical.

  • Alongside classical TSCM

    Combine emanations work with sweeps and network audits when planted devices and side-channels both matter.

  • Clear technical reporting

    Deliver findings and next steps without overselling accreditation claims the engagement was not commissioned to certify.

One Specialist Partner Across Your Organization

Technical surveillance risks can affect multiple departments, responsibilities and business operations. TSCM Partners works alongside your existing teams, providing specialist services that support their respective responsibilities.

Whether the requirement originates from management, legal, cybersecurity, facilities, physical security or human resources, our work contributes to a shared objective: protecting confidential information and maintaining the security of the environments in which your organization operates.

One specialist partner, working alongside multiple departments, with a coordinated approach to technical surveillance countermeasures.

  • Human Resources

    Protecting sensitive employee information, confidential personnel discussions, disciplinary proceedings, executive appointments and internal investigations. Supporting the confidentiality of physical and electronic environments in which employee information is handled.

  • Legal

    Supporting the confidentiality of legal consultations, negotiations, litigation strategy, mergers and acquisitions, commercial agreements and other sensitive legal matters. Helping protect discussions and information before agreements or decisions become public.

  • Cybersecurity and IT

    Extending security assessments beyond conventional networks and managed endpoints. Identifying potential unauthorized recording devices, wireless surveillance equipment and technical vulnerabilities in physical environments that may not be visible through standard cyber security monitoring.

  • Facilities Management

    Assessing offices, meeting rooms, building infrastructure and installed systems for potential technical surveillance vulnerabilities. Supporting the security of spaces during construction, refurbishment, occupation and ongoing operation.

  • Physical Security

    Assessing physical environments, access arrangements and potential surveillance opportunities around sensitive locations. Identifying weaknesses that could enable unauthorized access, equipment placement or observation of confidential activities.

  • Management and the Board

    Supporting the confidentiality of executive discussions, board meetings, financial results, corporate strategy and commercially sensitive decisions. Helping management assess potential information leakage risks that could affect competitive advantage, negotiations, reputation and market confidence.

  • Events and Corporate Communications

    Assessing technical surveillance risks at corporate events, conferences, product launches, presentations and external venues. Helping organizations maintain appropriate confidentiality when sensitive information is discussed in environments they may not own or control.

Why TSCM Partners?

Specialist expertise. Coordinated operations. Practical security solutions.

Trained and qualified specialists

TSCM services require specialist knowledge, technical competence and practical experience. Our personnel and operational partners are trained and qualified for their respective responsibilities, supporting a consistent and professional approach to technical surveillance countermeasures.

Integrated approach

We bring together physical inspections, technical surveillance countermeasures, ongoing security measures and training within a coordinated operational framework. Our software supports the documentation, management and continuity of these activities across different locations and engagements.

International delivery

Through our international network, we support organizations across multiple regions and locations. Our approach combines local operational capabilities with consistent working methods and coordinated delivery.

Practical and proportionate solutions

Security measures should address real operational requirements. We consider the organization, its people, its existing infrastructure and its working environments before recommending appropriate measures. The objective is to deliver solutions that are practical, proportionate and sustainable.

Understanding your organization

We begin by understanding your concerns, business activities, existing security arrangements and operational requirements. This allows us to develop solutions that complement your organization rather than disrupt the way it works.

Engineering and implementation

Beyond inspections and assessments, we support the development and implementation of technical solutions where required. This may include speech privacy systems, monitoring interfaces, specialist hardware, software integration and technical controls for sensitive environments.

Request a Technical Scope and Quote

Request TEMPEST assessment