In today’s world, security threats are more sophisticated and harder to detect than ever before. Whether you work in corporate security, government, or private investigation, understanding how to identify and counteract electronic surveillance is crucial. That’s why SIASS has partnered with Verrimus, specialists in Technical Surveillance Countermeasures (TSCM), to offer commercial TSCM training designed specifically for professionals like you. This collaboration brings togeth

Understanding Technical Surveillance: Methods, Implications, and When It’s Appropriate In an era defined by rapid technological advances, the ability to monitor individuals or environments through electronic means plays a significant role in investigations and security operations. Technical surveillance encompasses a broad suite of tools and tactics—ranging from concealed recording devices to digital tracking systems—designed to collect information discreetly and, when done l

Surveillance is no longer confined to shadowy figures watching from the corner of a street. Today, it’s powered by technology that is widely available, affordable, and often built into the devices we use every day. From unmanned aircraft to smartphones and gaming consoles, the tools used to monitor people and organisations are becoming increasingly diverse and difficult to detect. drone surveillance is increasingly used Drones Unmanned aerial vehicles, more commonly known as

When planning an investigation that may involve covert surveillance, it’s vital to understand the legal framework that governs how it can be carried out. The UK Government’s Covert Surveillance and Property Interference Code of Practice sets out the rules for public authorities, but the principles are equally important for private organisations, investigators, and individuals considering the use of technical surveillance. At SIASS, we believe in carrying out all technical sur

Private investigators (PIs) are skilled professionals who excel at gathering evidence, conducting interviews, and managing complex cases. But in today’s investigative landscape, many cases demand more than traditional methods. Technical surveillance—from covert cameras to tracker detection—has become a crucial part of modern investigations. This is where the role of a Commercial Technical Support Unit (TSU), such as SIASS, becomes invaluable. By providing advanced technical s

Surveillance can be a powerful tool in both private and civil investigations – but it also raises important legal and ethical questions. At SIASS, we are often asked: “Is it legal to conduct surveillance privately in the UK?” The answer depends on how surveillance is carried out, who is being observed, and whether the activity complies with UK law. In this article, we’ll outline the legal position, explain the risks of carrying out surveillance without professional guidance,

In today’s fast-paced world, the need for effective surveillance services has become more critical than ever. Surveillance plays a vital role in various investigations, from criminal cases to corporate espionage, and even in personal matters such as infidelity. Understanding the importance of surveillance is not just about appreciating its value; it’s about recognizing how it can support the gathering of evidence, help make informed decisions, and ultimately lead to successfu

Domestic abuse is a deeply personal and traumatic experience that affects countless individuals across the UK every year. Domestic abuse victims can be of any gender, age group, ethnicity or sexuality. Whether it's physical, emotional, psychological, financial, or coercive control, the impact of abuse can be devastating — and escaping it often requires more than just courage. At SIASS, we offer practical, confidential support through professional investigative services that c

What is a TSU in UK policing? What does SIASS offer the commercial and private sector?

Technical surveillance is an essential aspect of modern investigative and security operations. SIASS supports clients acting as their TSU.

In a world where vulnerable individuals are sometimes subjected to mistreatment, families often find themselves in a distressing dilemma....