Mission impossible: breaking the audit and risk data silos

By Chris Smith

September 05, 2025

Audit and risk

What is your audit and risk data trying to tell you? If you can’t get your hands on a data set in the first place, then you can’t be sure what you’re missing. And when you do get the data, it’s often so inconsistent that the time you spend preparing it takes longer than the actual analysis. 

Internal audit teams in the public sector are often used to this. When the data covers a large range of departments and accountability frameworks, and its stored across complex spreadsheets and legacy systems, it’s hard to deliver insights that truly serve the public interest. Must it always be this way? 

The impact on internal audit’s effectiveness 

The reality is stark: your audit effectiveness is only as good as your access to connected, reliable data. When information sits locked away in departmental systems, your ability to identify cross-cutting risks, spot emerging patterns and provide strategic insights diminishes dramatically. 

Why data silos hit public sector audit harder 

The challenge of fragmented data isn't unique to public bodies, but the constraints you face as internal auditors in this environment create a perfect storm of complexity. 

Multiple masters, multiple needs 

Your stakeholders span elected members who need performance dashboards, regulators requiring compliance evidence, citizens demanding transparency and department heads seeking operational insights. Each group wants different data presented in different formats, often from the same underlying sources that don't talk to each other. 

This isn't just inconvenient—it's strategically limiting. When you can't easily connect procurement data with performance metrics, or link citizen complaints to resource allocation patterns, your audit findings lack the cross-cutting insights that could drive real organisational improvement. 

Governance complexity amplifies data challenges 

Public sector data governance operates under layers of legislation: GDPR, Freedom of Information requirements, Data Protection Act 2018 and sector-specific regulations. These create legitimate barriers to data sharing, but they also create opportunities for departments to retreat into protective silos. 

The result? Information gets hoarded rather than shared, making comprehensive risk assessment nearly impossible. You end up auditing fragments instead of systems, missing the connections where real risks often emerge. 

Legacy systems create technical barriers 

Years of incremental IT investment have created landscapes where modern cloud platforms operate alongside systems from previous decades. Unlike private companies that can replace entire technology stacks, public bodies must deliver continuous citizen services while working within existing constraints. 

This technical debt isn't just a problem for IT departments—it directly impacts your ability to perform comprehensive audits across organisational boundaries. 

Transforming data silos into audit advantages 

Breaking down data silos doesn't require massive IT transformations—it starts with strategic thinking and collaborative relationships. 

Leverage your cross-organisational access 

Your audit mandate already gives you something most other functions lack: legitimate access to data across the entire organisation. Instead of accepting siloed information as given, start using this access strategically. 

Map the complete data ecosystem first. Document not just what systems exist, but how information flows between them and where gaps create audit risks. This comprehensive view positions you to identify integration opportunities that others might miss. 

Build trust through transparent data governance 

Data sharing fears often stem from unclear accountability. Address this by developing governance frameworks that balance access with protection. 

Establish clear data stewardship roles with defined accountability for data quality and appropriate use. Create sharing protocols that specify how information can be accessed across departments while maintaining necessary protections. Implement audit trails that track data access and use, providing reassurance about appropriate handling. 

Start with high-impact, low-risk integration 

Don't attempt to solve every data silo simultaneously. Begin with integration projects that demonstrate clear value while minimizing organisational disruption. 

Financial risk integration 

Connect procurement, payroll and performance data to identify emerging financial risks before they impact service delivery. This type of integration often reveals patterns invisible to individual departments while providing clear audit value. 

Compliance dashboard development 

Integrate regulatory reporting data to provide real-time compliance monitoring across multiple requirements. This reduces manual reporting burden while improving oversight effectiveness. 

Service delivery insight generation 

Link citizen complaints, performance metrics and resource allocation data to understand service quality patterns. This type of analysis directly supports improved public services while demonstrating audit value. 

Positioning internal audit as the data integration catalyst 

The Global Internal Audit Standards' Essential Conditions framework provides new tools for driving organisational data transformation. Use these strategically to position your function as a integration leader. 

Secure mandate clarity around data integration 

Your audit charter should explicitly include data integration leadership as essential for modern assurance delivery. Frame this as fundamental to fulfilling audit responsibilities in complex public sector environments, not as an additional nice-to-have capability. 

Build board support for connected data initiatives 

Work with your audit committee to champion data integration as essential governance infrastructure. Help them understand that effective oversight requires connected information, not departmental fragments. 

Make data silos a standing agenda item rather than a one-off project discussion. Regular reporting on integration progress keeps the issue visible while demonstrating continuous value delivery. 

Develop strategic communication around data insights 

Regular dialogue with senior management should include evidence of how data integration enhances audit effectiveness. Show concrete examples of faster issue identification, more comprehensive risk assessment and enhanced predictive capabilities. 

Position integrated data analysis as supporting better organisational decision-making rather than just improving audit efficiency. This broader value proposition builds stronger support for integration initiatives. 

Making data integration sustainable within audit operations 

The key to successful data integration isn't treating it as a separate project—it's embedding integration thinking into your standard audit processes. 

Integration-first audit planning 

For every audit engagement, ask what data sources need connection to provide complete insights. Make cross-system analysis standard practice rather than exceptional effort. 

This approach gradually builds organizational capability while delivering immediate audit value. Each engagement becomes an opportunity to strengthen data connections rather than working around silos. 

Collaborative scoping with data owners 

Involve data owners from multiple departments in audit planning processes. This builds relationships while ensuring you understand how information connects across organisational boundaries. 

These collaborative relationships often reveal integration opportunities that wouldn't be apparent from purely technical assessments. Data owners understand their systems' capabilities and constraints in ways that can inform strategic integration decisions. 

Shared insight generation across boundaries 

Don't limit audit findings to individual departments. Look for patterns and insights that benefit multiple organisational areas and share these strategically. 

This approach positions internal audit as providing organisational intelligence rather than departmental compliance checking. It also demonstrates the value of connected data analysis to stakeholders across the organisation. 

The strategic opportunity hidden in data silos 

Data silos represent more than just technical inconvenience—they're strategic opportunities for internal audit functions willing to lead organisational transformation. The most successful public sector internal audit functions have stopped seeing data silos as obstacles and started viewing them as transformation opportunities. They're using their unique position to become data integration leaders rather than passive consumers of fragmented information. Internal auditors are in the best position champion this new way of thinking about data.

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Chris brings over a decade of experience in digital marketing, specializing in content strategy and organic visibility across diverse industries and sectors. His goal is to identify people's challenges and connect them with practical, effective solutions that truly make a difference.