We’re Tracking the Future of Security

Category: Telecom

  • Telecommunications Infrastructure Security Technology

    Telecommunications Infrastructure Security Technology

    Telecommunications infrastructure — cell towers, central offices, data exchange facilities and the fiber networks connecting them — forms a foundational layer of critical infrastructure that other sectors depend on for their own operations, from emergency services dispatch to financial transactions to the remote monitoring systems used across utilities and industrial facilities. Securing this infrastructure combines dispersed-site physical protection with facility-level access control and a growing emphasis on supply-chain and hardware integrity.

    Securing Widely Distributed, Often Unmanned Sites

    Cell towers and remote equipment shelters are typically unmanned and geographically dispersed, making them attractive targets for copper and equipment theft as well as vandalism. Operators increasingly deploy solar-powered remote monitoring systems combining motion-activated cameras, door and cabinet intrusion sensors, and cellular or satellite backhaul for alerting, since many tower sites lack reliable wired connectivity of their own for security reporting.

    Central Office and Data Exchange Access Control

    Central offices and carrier-neutral data exchange facilities, where multiple network operators interconnect, apply layered access control similar to data center security: biometric or multi-factor authentication at building and cage-level entry points, mantrap vestibules to prevent tailgating, and comprehensive video surveillance covering both public and restricted areas. Because these facilities often host equipment belonging to multiple competing carriers within the same building, access segmentation between tenant spaces is a particular design priority.

    Fiber Route and Cable Landing Protection

    Long-haul fiber routes and cable landing stations, where undersea cables come ashore, represent concentrated points of failure for national and international connectivity. Security for these assets combines physical protection of landing station buildings with monitoring of the buried or undersea cable routes themselves, an area where distributed acoustic sensing technology has found growing application for detecting unauthorized digging, dragging anchors or other activity near cable paths before physical damage occurs.

    Network Operations Center Security

    Network operations centers, which provide real-time monitoring and control over telecommunications infrastructure, require the same access control and video surveillance rigor as other critical control-room environments, given that a compromise of NOC systems could allow an attacker to disrupt network operations directly rather than through physical damage to remote infrastructure.

    Supply Chain and Equipment Integrity

    Telecommunications security increasingly extends into supply-chain risk management, with regulatory scrutiny in multiple countries focused on the origin and integrity of network equipment given concerns that compromised hardware or firmware could introduce backdoors into national communications infrastructure, adding a procurement and vendor-vetting dimension to what has traditionally been a purely physical and operational security discipline.

  • DAS and DTS for Telecom Manhole and Network Condition Monitoring

    DAS and DTS for Telecom Manhole and Network Condition Monitoring

    Telecom infrastructure contains thousands of manholes, ducts and underground routes that are difficult to inspect continuously. Distributed Acoustic Sensing and Distributed Temperature Sensing can add a new layer of visibility by using optical fiber itself as a distributed monitoring medium.

    What DAS Can Detect

    DAS measures vibration and dynamic strain along fiber. In a telecom network, this can help identify excavation activity, repeated impacts, vehicle-related vibration, unauthorized access around manholes and other mechanical disturbances. Because the event can be located along the fiber route, operators can focus inspection on the relevant section.

    What DTS Adds

    DTS provides a temperature profile rather than vibration information. Abnormal heating, environmental changes or local thermal anomalies may indicate conditions that deserve investigation. When DAS and DTS are combined, operators gain two independent physical measurements from the same corridor.

    Mapping Is Essential

    The sensing system reports distance along fiber, so accurate route mapping is critical. Splice points, loops, manholes and changes in cable routing must be documented so optical distance can be translated into a real physical location.

    Operational Value

    The goal is not to replace network-management systems. Optical performance monitoring tells operators about communications quality; distributed sensing provides information about the physical environment around the cable. Combining these views can improve maintenance prioritization and infrastructure security.

    Conclusion

    DAS and DTS can turn telecom fiber routes into sources of physical-condition data. For large underground networks, this creates the possibility of moving from periodic inspection toward continuous infrastructure awareness.

  • DAS and Passive Optical Networks: Broadband Fiber as Security Infrastructure

    DAS and Passive Optical Networks: Broadband Fiber as Security Infrastructure

    Passive Optical Networks are designed to deliver broadband efficiently to large numbers of users. Distributed Acoustic Sensing introduces another possibility: parts of the same fiber infrastructure may also provide information about vibration and activity along the route.

    Why PON Is Interesting for Sensing

    PON networks already extend deep into cities, campuses and residential areas. If sensing can coexist with communications traffic, broadband infrastructure could potentially support applications such as construction monitoring, intrusion awareness, transport analytics or infrastructure condition monitoring without installing a separate sensor cable everywhere.

    The technical challenge is that PON is not a simple point-to-point fiber. Optical splitters divide signals across branches, and the network is optimized for communications rather than sensing. Interpreting backscatter in this environment requires careful optical design, signal processing and route knowledge.

    Security and Infrastructure Applications

    Potential uses include monitoring access to telecom infrastructure, detecting excavation activity near buried routes, identifying unusual vibration around manholes and supporting broader urban sensing. In controlled industrial or campus environments, PON-based sensing could become one input to a physical-security platform.

    The key word is coexistence. Sensing should not compromise communications performance, service availability or network maintenance. Wavelength planning, optical budgets, splitter architecture and interrogator design all influence feasibility.

    Operational Questions

    Who owns the sensing data? How is privacy handled? How are alarms mapped from optical distance to geographic location? What happens when fiber routes are changed during maintenance? These questions are as important as raw detection performance.

    Conclusion

    PON sensing is an emerging area rather than a universal replacement for dedicated DAS installations. But the strategic idea is important: communications fiber may become dual-purpose infrastructure. If sensing can be added safely and economically, broadband networks could evolve from passive transport systems into distributed sources of infrastructure intelligence.

  • Using Telecom Fiber as a Distributed Sensor Network

    Using Telecom Fiber as a Distributed Sensor Network

    Telecom networks contain enormous lengths of optical fiber. Distributed fiber-optic sensing raises an important possibility: can some of that existing infrastructure become a sensing network as well as a communications network?

    The basic idea is compelling. An interrogator analyzes optical backscatter from fiber and converts tiny changes caused by vibration, strain or temperature into spatially resolved measurements. Depending on the sensing method, a single fiber can provide thousands of virtual measurement points.

    Potential Applications

    Existing telecom routes may support monitoring of roads, railways, urban activity, construction, earthquakes, utility corridors and infrastructure conditions. In some cases, spare or dark fiber can be connected directly to a sensing interrogator. More advanced architectures explore sensing over fibers that are also supporting communications traffic.

    The attraction is scale. Instead of installing a completely new sensor network, operators may be able to use fiber that is already buried across cities and transport corridors.

    But Existing Fiber Was Not Installed as a Sensor

    This is the key limitation. Telecom fiber may run through ducts, loose tubes, aerial routes, manholes and different soil conditions. Mechanical coupling varies along the route, meaning the same event can produce very different signals at different locations.

    Route documentation is also essential. A sensing system reports distance along fiber, not automatically a street address. Accurate mapping between optical distance and physical geography is therefore necessary before alarms become operationally useful.

    Shared Communications and Sensing

    Research and commercial development increasingly focus on coexistence between data transmission and sensing. This could make fiber networks part of a wider infrastructure-intelligence layer, but network design, optical power budgets, wavelength allocation and operational ownership must all be considered.

    Conclusion

    Telecom fiber has the potential to become one of the world’s largest distributed sensing platforms. The opportunity is significant, but successful projects require more than connecting an interrogator to a cable. Fiber routing, coupling, network architecture, data interpretation and operational integration determine whether existing telecom infrastructure can deliver reliable sensing intelligence.

  • Verizon Offers $25,000 Reward After Fiber Vandalism Disrupts Southern California

    Verizon Offers $25,000 Reward After Fiber Vandalism Disrupts Southern California

    Verizon is offering a $25,000 reward for information leading to the arrest and conviction of those responsible for a series of intentional fiber-optic cable cuts that disrupted wireless and wireline service for thousands of customers in Los Angeles and other parts of Southern California, the company announced.

    What’s New

    Verizon said vandals cut multiple fiber cables over several days, interrupting service before crews restored connectivity. Citing National Cable & Telecommunications Association data, Verizon said California recorded 6,297 attacks on communications networks in 2025 — the most of any state — resulting in an estimated $252.6 million in economic losses, with Los Angeles accounting for 1,131 of those incidents. The company said nearly 600 vandalism incidents affecting its network occurred nationwide in the past month alone.

    Why It Matters

    “Acts of network theft and vandalism represent a direct threat to the safety and security of our communities, emergency services, healthcare and all who rely on critical communications,” Verizon said in announcing the reward. Joe Russo, executive vice president and president of Global Networks and Technology at Verizon, said the company’s network and security teams are working with law enforcement at all levels to identify those responsible. The incidents underscore how physical attacks on telecommunications infrastructure increasingly target fiber-optic lines that also carry 911 and emergency-response traffic.