This week’s Computer Weekly, we talk exclusively to Tesco CIO Mike McNamara about why the UK's biggest retailer is spending £150m on its online business. And, with the London 2012 Olympics only weeks away; we look at how IT testing is progressing. 

This week's Computer Weekly examines how the Football Association's IT director is using technology to help improve the prospects for the England national team. Our Buyer's Guide to government IT looks at the future of open source in the public sector and we report from Infosec 2012 on the rising number of cyber attacks. Read the issue now. 

While SSH (Secure Shell) user keys are often used for granting system access for system administrators, many organizations lack the proper processes for effectively managing them, introducing a number of security risks. This paper highlights ten (10) technical challenges and risks related to public key authentication and how to address them.   

The Dell EqualLogic™ PS Series can provide a fully virtualized storage infrastructure that delivers high availability, resiliency, flexibility, and scalability that is simple and cost-effective to deploy, manage and grow. 

Dell™ EqualLogic™ Auto-Snapshot Manager/VMware Edition enables administrators to quickly and easily create hypervisor-aware snapshots of VMs--helping simplify data management, and increase application performance. 

Virtualized iSCSI SANs are increasingly being chosen for virtual datacenter deployments because they help simplify storage management and overcome performance, scalability and cost barriers of traditional SAN architectures. 

By working with Dell, the Peterson Sullivan IT group achieved its goals of creating a consolidated and scalable IT environment with strong backup and disaster recovery strategies. 

This white paper describes a virtualized infrastructure that applies storage and server virtualization technologies to cost-effectively achieve a flexible, high-performance, dynamic IT infrastructure that is simple to manage and scale. 

Auto-Snapshot Manager/VMware Edition (ASM/VE) is a unique and innovative data protection feature of the Dell EqualLogic™ PS Series iSCSI SAN that enables fast online backups and quick restores of VMware virtual machines and VMFS file systems. 

This week’s Computer Weekly contains an exclusive interview with JP Morgan COO India Gary-Martin about juggling multiple legacy IT systems while keeping the merchant bank compliant. We also look at how near-field communications technology promises to revolutionise consumer spending and we ask whether 2012 could be the year that APM becomes vital? 

Rising security breaches cost UK billions over the last 12 months as cyber attacks reached record levels, according to the 2012 Information Security Breaches survey. 

This week’s Computer Weekly examines research that suggests CEOs want to invest in IT more than ever, but still see CIOs as technical experts and not business people. We review SQL Server 2012 and ask if Microsoft's database software is catching its competitors as well as concluding our Buyer's Guide to data security. 

Digital Britain is the UK government’s strategic vision for the UK digital economy. While social inclusion and rights protection are major themes, the plans will also have a significant impact on businesses.