In 2024 the United States spent about $48.8 billion on private security services, according to IBISWorld, and employed a large contract guard workforce as of 2023, based on figures cited by Atlas Guard Services.

That scale forms the starting point for a market that is redefining what security work includes and how it is delivered to corporate buyers. Instead of standing alone, guards, investigators, and cyber analysts increasingly operate as parts of a single enterprise function.

This pattern is what industry observers describe as security convergence, where a forced door and a suspicious network login are treated as elements of the same incident. For providers, that shift moves the business model away from selling guard hours and toward delivering measurable risk outcomes supported by data, analytics, and service-level expectations.

Key Takeaways: The 2020s Security Convergence


  • U.S. private security services generated about $48.8 billion in 2024, with a large contract guard workforce forming the base for convergence.
  • Security convergence links physical, cyber, and intelligence functions as new deployments add networked and analytics-driven capabilities.
  • Executive protection demand accelerated after the 2024 killing of UnitedHealthcare’s CEO, with more S&P 500 firms disclosing security perks and higher median spending.
  • Corporate investigations, fraud response, and organized retail crime units increasingly share tools and data with security operations centers.
  • ASIS International’s convergence-focused education and 12,760 certificants highlight a labor market shift toward hybrid security skills.
  • Vendor consolidation is pushing outcome-based service models that emphasize measurable risk reduction over guard-hour pricing.

The Foundation of Scale and the Shift in Scope


The American physical security market remains the industry’s bedrock; IBISWorld reports 2024 revenue of $48.8 billion for security services, while industry commentary points to several hundred thousand contract guards deployed across sectors.

Globally, the physical security market reached an estimated $114.93 billion in 2024 and could grow to $170.8 billion by 2033, according to analysis from SkyQuest. Much of this expansion is coming from software, sensors, and integrated platforms layered on top of an established guard and patrol base.

Security convergence reframes those legacy assets. Leading firms now bundle cameras, access control logs, and incident analytics into offerings that integrate with enterprise risk dashboards, rather than simply providing on-site personnel.

New deployments are more likely to include AI-enabled video analytics, smart monitoring, and remote intervention capabilities. These technologies can support continuous coverage while changing how many personnel are needed at a given site.

More Business Articles

The COO's Dilemma: Inheriting a Company's Historical Sins
artistic representation of a figure standing before a burning castle
Amdahl's Law Quantifies Why Excess Meetings Stall Tech Teams
artistic representation of a stop signal with a phone icon on a multi-lane highway
UK Private Firms Face More Public Scrutiny Than US Peers
Flag of the United Kingdom and flag of the USA
Good Enough Disruption or a 10x Leap?
artistic representation of david vs goliath

Executive Protection as a Convergence Catalyst


A prominent convergence driver was a single high-profile event on 4 December 2024, when UnitedHealthcare chief executive Brian Thompson was killed, as documented in coverage summarized on Wikipedia and in reporting from outlets such as Reuters.

In the months that followed, Allied Universal executive Glen Kucera told Reuters that the number of customers requiring assessments and executive protection increased ten to fifteen times compared with levels before the incident. This indicates a sharp reassessment of threats to senior leadership across sectors.

Filings analyzed by Reuters and executive compensation research cited by other outlets report that 31.3 percent of S&P 500 companies that filed proxy statements for fiscal 2024 disclosed providing at least one named executive officer with a security-related benefit. This is up from 24.5 percent in 2023.

Separate data from Equilar show that median disclosed spending on executive security rose to $94,276 in 2024 from $69,180 in 2023 and $43,068 in 2021. This represents an increase of 118.9 percent over that three-year span.

Modern executive protection programs described in these reports integrate physical close protection with travel risk assessment, digital footprint monitoring, and home security. This illustrates how physical and cyber measures now converge around a single individual risk profile.

The Intelligence Function: Investigations, Fraud, and Retail Crime


Corporate investigations and due diligence, which include pre-transaction background checks, fraud inquiries, and asset tracing, are part of a broader investigation and security services market described in research from The Business Research Company.

These services often rely on the same data sources as physical security operations. They draw on access control records, surveillance footage, and digital communication logs that also inform cyber incident response and compliance documentation.

Fraud response teams working in sectors such as financial services and healthcare link transaction data, badge histories, and video evidence inside shared case-management environments. This enables faster pivoting between digital and on-site investigations.

In retail, industry coverage from outlets like Security Systems News describes how organized retail crime has pushed companies to move beyond store-level loss prevention. They are now developing coordinated intelligence functions that track regional patterns, license plates, and repeat offenders.

These capabilities resemble fusion centers more than traditional security desks. In many organizations they now interact directly with enterprise security operations centers to support both immediate response and longer-term risk analysis.

Architectures of Convergence: PSOCs, SOCs, and Shared Data


The physical embodiment of convergence is the linkage between Physical Security Operations Centers, which monitor cameras and alarms, and Security Operations Centers, which monitor network events and cyber alerts.

Industry analysis from Security Today describes how physical security and IT teams are integrating their tools. The goal is to have video analytics, access anomalies, and firewall logs feed a common platform for incident detection and response.

Console and workspace designers such as Tresco Consoles outline configurations in which operators can view physical and cyber data streams together. This supports shared playbooks for threats that might cross both domains.

This model is no longer limited to very large enterprises. Managed security providers now offer remote guarding and integrated monitoring as a service, blending patrols, cloud-connected cameras, and analytics for mid-market clients.

As more alarms and sensors connect to networks, convergence becomes a necessary condition for effective monitoring rather than an optional overlay on top of legacy guard services.

Labor Market Signals and the Rise of the Functional Generalist


ASIS International reported 12,760 active and lifetime certificants globally in 2024, a 1.3 percent increase from 2023, according to its annual report.

The same report and ASIS education materials highlight a new certificate titled "Essentials of Convergence: Bridging the Gap between Physical Security and Cybersecurity," listed among the organization’s certificate courses on ASIS International.

The creation of a dedicated convergence curriculum signals that employers now seek practitioners who can understand access control and guard operations while also engaging with cyber terminology, log analysis, and risk frameworks.

Job descriptions sampled across large employers and service providers increasingly emphasize threat assessment, data interpretation, and the ability to coordinate between physical security teams, information security departments, and audit or compliance functions.

Professionals who can document how a physical access event relates to a network incident, and present that linkage in a format suitable for insurers, regulators, or prosecutors, are positioned as connectors inside converged security organizations.

Vendor Consolidation and Outcome-Based Metrics


Major contract security firms such as Allied Universal describe in investor materials that they operate in a large outsourced security market. They have expanded across jurisdictions through acquisitions, integrating guard services with technology, consulting, and specialized protection capabilities.

Industry research and company disclosures indicate that many large vendors now market portfolios that span on-site guarding, remote monitoring, investigations, executive protection, and in some cases cyber or technology integration services.

Procurement teams increasingly evaluate these vendors not only on hourly rates but also on outcome metrics such as incident reduction, mean time to detect, and effects on insurance coverage or premiums. These metrics echo those used in managed IT and cyber services.

Platforms that link AI video analytics with badge data and network telemetry support these measures. They provide evidence on how many incidents were flagged, escalated, or prevented over a given period.

Analysts who follow the sector expect consolidation to continue. Mid-sized firms are seeking the scale, data capabilities, and multi-jurisdiction coverage needed to compete for enterprise-wide security convergence contracts.

Outlook and Professional Opportunities in a Converged Market


Looking ahead, forecasts from sources like SkyQuest suggest steady growth in global physical security spending. Technology integration is expected to account for a significant share of projected gains through 2033.

As convergence deepens, organizations are likely to continue shifting from viewing security as a labor-driven cost center to treating it as a risk management and assurance function. This function relies on integrated data and defined performance indicators.

For professionals, this environment favors what many practitioners describe as functional generalism. This is an ability to work across physical security, cyber risk, and corporate governance without being confined to one narrow silo.

Hybrid roles that combine threat assessment with data analytics, stakeholder communication, and familiarity with insurance or regulatory expectations are emerging as key positions in converged security teams.

The next decade is likely to reward vendors and practitioners who can align guard operations, investigations, and cyber defense into a single, evidence-backed security function.

Sources


Article Credits

Portrait of Michael LeSane
Michael LeSane
Editor