How SMBs Can Avoid Crippling Cloud Breaches

Cloud investment is central to staying competitive in modern business. Gartner forecasts a 20 per cent increase in global spending on cloud services this year. But as investment in and reliance on the cloud increases, organisations must equally invest in effective and robust cloud security.   

With the growing adoption of cloud technologies, the expanding cloud footprint increases the potential attack vectors for threat actors . Research from Vanson Bourne, commissioned by Illumio, found that almost half (47 per cent) of all security breaches in Australia now start in the cloud. A similar number of Australian businesses (45 per cent) believe a cloud breach will halt normal operations in their organisations.   

These findings are not surprising, given almost all local companies now harness the cloud to store their most sensitive data – such as financial information, business data, and personally identifiable information (PII). And most organisations run their most high-value applications in the cloud, making it a target-rich environment for cybercriminals. However, a greater reliance on cloud, coupled with ineffective security measures, results in a risky business trade-off. With organisations storing their most critical assets in the cloud, any disruption to cloud operations – especially in small to medium businesses – now means direct and often severe consequences for business operations, revenue, and customer trust.   

The core mission of cybersecurity is to deliver resilience against cyber threats. Therefore, an agile approach is needed to rapidly respond to and contain evolving threats in the cloud. Yet too many organisations are still reliant on traditional and inflexible security tools like firewalls which were designed for on-premise environments. Modern and adaptive technologies like Zero Trust Segmentation (ZTS) can help Australian organisations tackle these issues with speed and agility.   

The impacts of cloud breaches on SMBs 

The financial repercussions of a cloud incident can be bewildering, and successful cloud attacks are growing in frequency and severity. Last year, the average Australian organisation that suffered a cloud breach lost roughly AUD $4.9M. This is not just a financial setback, especially for small businesses; it’s a substantial haemorrhage that can destabilise even the most resilient companies.    

Loss of revenue-generating services, productivity, and the cost of recovery were all key points flagged by IT and security decision-makers in our research. However, the implications extend beyond mere short-term monetary loss. Reputational damage and loss of trust were among the top concerns faced by security decision-makers. Once it occurs, the loss of customer trust is a challenging chasm to bridge. It’s not just about the lost information itself, it’s about the broken confidence in the ability to handle confidential data in the future. The leakage of sensitive information can also have far-reaching consequences, from legal ramifications to regulatory penalties.   

These impacts underscore the need for a security strategy that defends against breaches and minimises their potential damage. Having the ability to rapidly identify risk and contain attacks in the cloud is a business necessity, and the reason why many organisations are now turning towards breach containment technologies like ZTS.   

How Zero Trust Segmentation tackles cloud challenges    

Rooted in the Zero Trust principle of “never trust, always verify,” ZTS (also referred to as microsegmentation) is a central component of the Zero Trust security model, known for delivering significant improvements to cyber resilience. It’s a critical technology that enables a strategic shift in how security is approached. Prevention alone is no longer enough. The primary focus must be ensuring an organisation can maintain operations and safeguard its most critical assets even in the event of an active attack.   

ZTS operates on the premise that threats can originate from anywhere – inside or outside the network. By segmenting networks into smaller, manageable zones, ZTS limits attackers’ ability to discover the network, workloads, or cross-channel communications and move laterally, ensuring that even if a breach occurs, its impact is contained, reducing its ‘blast radius’.    

This approach also enables a highly granular level of visibility and control, enabling organisations to better detect and proactively reduce risks as they move across the hybrid attack surface – an area where cloud native security tools alone still leave critical gaps. It also affords a greater level of agility and responsiveness, offering the real-time threat response capabilities that are so essential in dynamic cloud environments.    

The future of cloud security demands vigilance and a strategic, adaptive approach – one that ZTS exemplifies – ensuring businesses are resilient and secure in the face of cyber challenges. 

Raghu Nandakumara is Head of Industry Solutions at Illumio.

Last Updated on October 10, 2024 by Raghu Nandakumara