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Bob Tarzey

Job title:
Analyst and Director, Quocirca Ltd

Biography:
Bob joined Quocirca in 2002, his main area of coverage is route to market for ITC vendors, but he also has a specific focus on IT security, network computing, systems management and managed services. Bob writes regular analytical columns and blogs for Computing, Computer Weekly, silicon.com, Computer Reseller News (CRN), Infosecurity Magazine and IT Director. He has has written for The Times, Financial Times and The Daily Telegraph and provides general comment for the European IT and business press. Bob has extensive knowledge of the IT industry. Prior to joining Quocirca in he spent 16 years working for US technology vendors including DEC (now HP), Sybase (now SAP), Gupta, Merant (now Serena), eGain and webMethods (now Software AG). Bob has a BSc in Geology from Manchester University and PhD in Geochemistry from Leicester University.

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Policing the Virtual Perimeter
A recent spate of targeted denial of service attacks on organisations such as Spamhaus and Bitcoin remind that such attacks are seen as one of the best ways to attempt to halt or slow key internet-based services by those with a motive to do so. Many IT managers probably look-on, shrug their shoulder ...
Posted 11 April 2013 by Bob Tarzey
tags: DDoS, denial of service
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Kaspersky Lab – Russia’s IT Security Jewel
Naming a company you founded after yourself can be problematic. OK, no one tries to place the blame for HP’s recent woes on Bill Hewlett or Dave Packard (anyway, according to HP’s current management a big turnaround in fortune is underway). However, the ups and downs of Dell are still cl ...
Posted 10 April 2013 by Bob Tarzey
tags: Kaspersky, anti-malware, KESB, zero-day
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The Age of Bring-Your-Own-Identity (BYOID)
Sellers of computer security products and services sometimes fret that their messaging is too scary as they go on about risk, data loss and regulatory fines. To get around this, every so often they like to remind potential buyers that their wares are also business enablers. The case is easier to mak ...
Posted 11 March 2013 by Bob Tarzey
tags: BYOID, IAM, identity, access management
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The Trouble Heading for your Business in 2013
Facebook, Twitter, Apple and Microsoft: all icons of the information technology industry and all the focus of targeted attacks in Feb 2013. The bad news for us all is, that even those that should be some of the most tech-savvy companies in the world, can fall foul of targeted attacks.   Micro ...
Posted 01 March 2013 by Bob Tarzey
tags: targeted attacks, hacktivism, Twitter, Facebook, Microsoft, Apple, Quocirca
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Symantec versus CA
Two back-to-back events recently saw Quocirca talking to veterans of the software industry: CA and Symantec. The high-level message from both is pretty much to same – we help to secure and manage your data and IT infrastructure. Yet, it is rare to find these two head-to-head; because, in ...
Posted 27 November 2012 by Bob Tarzey
tags: Symantec, CA
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Absorbing DDoS; Akamai’s Kona security service
Even amongst those outside the IT industry, it is popular to speculate where we would be without the internet; what would happen if you could switch if off over night? Those in the know like to point out that fault tolerance, through alternative routing, was one of this reasons for the internet&rsqu ...
Posted 07 November 2012 by Bob Tarzey
tags: DDoS, Akamai
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The Identity Bridge – The Extended Value of Single Sign On
There is nothing new about single sign on (SSO) systems; they have been on the market for many years as a way to provide a single point of authentication for users before providing them access to IT resources. What is new is the increasing capability of SSO systems to better manage the changing way ...
Posted 01 October 2012 by Bob Tarzey
tags: SSO, SaaS, BYOD, identity and access management
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Compliance in the Cloud
Earlier in the year Quocirca was asked a surprising question along these lines: “If we use a cloud-based storage service and there is a leak of personal data, who is responsible, us or them?” Make no mistake, the answer is, that regardless of how and where data is stored, the responsibil ...
Posted 30 August 2012 by Bob Tarzey
tags: cloud computing, compliance, EU Data Protection Directive, Data Protection Act
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The Highly Secure Cloud
Surveys by Quocirca and other research firms constantly show that “security” is THE biggest concern when it comes to making use of cloud services. Why is this, and is the perception that cloud services are inherently less secure than internally managed ones justified? There are a number ...
Posted 20 August 2012 by Bob Tarzey
tags: cloud computing, cloud security
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Deploying Advanced Cybersecurity Intelligence
During a speech in June 2012, Jonathan Evans, the chief of the UK’s home security agency MI5, stated that it was “fighting 'astonishing' levels of cyber-attacks”. The worry is not just about the number, but the sophistication and the degree of targeting of individual people and org ...
Posted 14 August 2012 by Bob Tarzey
tags: cybersecurity, ASI, SIEM
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Discovering an Old Flame
Computer malware programmes only take on a name and a personality after they have been discovered. These are bestowed by the IT security industry, our would-be defenders. Before this, malware is anonymous and unknown, just the way the perpetrators want it. Such was the case with Flame, whose discov ...
Posted 26 June 2012 by Bob Tarzey
tags: malware, Flame
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Beyond Point Security: Advanced IT Security Intelligence
Point security products such as firewalls, host-based anti-virus and email filtering have a job to do and often do it reasonably well. Arguably if they did not, then businesses would not buy them, although sometimes purchases are made more for compliance purposes than security ones – for ...
Posted 11 June 2012 by Bob Tarzey
tags: SIEM, security intelligence
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Businesses Are Over-granting Privilege and Failing to Limit Sys-admin Access
System administrators will often need wide ranging access to systems and devices to do their jobs, but systems are not the same as data. Many individuals working in IT departments will in fact be in relatively junior roles. Indeed, they may often be contractors from third parties. Access to confiden ...
Posted 05 June 2012 by Bob Tarzey
tags: IAM, privilege, sys-admin, cloud computing
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A Report from the IT Security Analyst’s Forum 2012
Following hot on from the InfoSec Europe trade show at the start of May 2012 was the IT Security Analyst’s forum, organised by Eskenzi PR, brought forward this year to avoid the Olympic events over the summer. As usual, the forum attracted analysts from most of the well-known firms from both E ...
Posted 22 May 2012 by Bob Tarzey
tags: IT Security Analyst’s Forum, CISO
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Organisations Struggle to Safely and Securely Delegate Sys-admin Tasks
Many system administrator tasks are a repetitive drudge. Senior IT managers do not want to be doing such tasks on a day-to-day basis and would prefer to delegate these to junior staff or contractors from 3rd parties. However, they need to be confident that such tasks can be safely delegated by limit ...
Posted 18 May 2012 by Bob Tarzey
tags: sys-admin, outsourcing
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Quocirca’s Report from Infosecurity Europe 2012
The end of April was a busy time for IT security analysts. April 24th to 26th was Infosecurity Europe (InfoSec) at Earl’s Court, the biggest such trade show in Europe and the following week was the Eskenzi PR annual IT Security Analysts Conference and CISO Forum (a gathering of chief informati ...
Posted 08 May 2012 by Bob Tarzey
tags: Infosecurity Europe
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The Consequences of Failing to Backup Network and Security Devices
Most IT users will have suffered the frustration of losing work because their access device (PC, tablet, smartphone etc.) fails and has not been backed up, or indeed they may have deleted a file accidentally. This is inconvenient for the individual and those associated with the project they are work ...
Posted 16 April 2012 by Bob Tarzey
tags: backup, network security, disaster recovery
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Windows Desktop Admin Rights – An Open Door for Malware?
Quocirca has written extensively about privileged user management over the years, including two research reports Conquering the sys-admin challenge in 2011 and Privileged user management – it’s time to take control in 2009. One of the dangers highlighted in both reports is that if privil ...
Posted 03 April 2012 by Bob Tarzey
tags: Windows, privilege, admin rights
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Reducing the Number of Sys-admin Errors
In recent Quocirca research, businesses report that on average their system administrators (sys-admins) make errors carrying out about 6% of tasks. This might not sound like much, but actually it adds up to quite a big number. If system administrators carry out and average of 10 tasks per day, or 5 ...
Posted 14 March 2012 by Bob Tarzey
tags: sys-admin, privileged users
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Organisations Failing to Close-off the Risks of Legacy Privileged Accounts
If you are trying to compromise an organisation’s IT systems in some way, then you need to have access. Getting a given user’s log in details is a starting point but might not get you that far, unless they are a user with privilege. Privileged users have much wider ranging access than &l ...
Posted 07 March 2012 by Bob Tarzey
tags: access management
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