Raghu Nandakumara
Raghu Nandakumara is Senior Director of Industry Strategy at Illumio based in London, UK, where he is responsible for helping customers and prospects through their segmentation journeys. Previously, Raghu spent 15 years at Citibank, where he held several network security operations and engineering roles.
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Authored content
BlackMatter Ransomware: Mitigate Risk With Illumio Zero Trust Segmentation
Learn more about BlackMatter ransomware and how Illumio can mitigate the risk posed by the RaaS group’s attacks through Zero Trust Segmentation.
Hive Ransomware: How to Limit Its Sting with Illumio Zero Trust Segmentation
Learn more about Hive ransomware and how Illumio can help mitigate risk posed towards your organization.
Defending Against Conti Ransomware: Why CISA Urgently Recommends Microsegmentation
Discover the risks organizations face from Conti ransomware and how Illumio Zero Trust Segmentation can help defend against these attacks.
Raising the Bar for Attackers: How Micro-Segmentation Can Protect Organizations From Kaseya-Like Attacks
How micro-segmentation could have reduced the attack-surface and mitigated the consequences of the Kaseya attack.
NAME:WRECK Takeaways — How Micro-Segmentation Can Help with Visibility and Containment
How micro-segmentation can help with visibility and containment to prevent WRECK vulnerabilities, remote code execution or denial of service.
Microsoft Exchange, SolarWinds, Verkada Breaches: Why Security Hygiene is More Important Than Ever
Security hygiene is healthy security behaviours amplified through the implementation of supporting processes and technical controls.
SolarWinds Breach: Driving a Paradigm Shift to Zero Trust
The SolarWinds compromise and its ongoing fall-out have brought into sharp focus the difficulty in controlling and validating every touch point an enterprise has with its external dependencies (be that vendor, customer, or partner) and further emphasizes the old adage that “a chain is only as strong as its weakest link.”
How Zero Trust Allows Organizations to Address Each Step in the Cyber Kill Chain
In this blog post we look at the Cyber Kill Chain, how security models that assume trust only help in mitigating Steps 1 to 6 in the chain.
Operationalizing Zero Trust – Step 6: Validate, Implement and Monitor
Learn about an important step on your organization’s Zero Trust journey: Validate, Implement and Monitor.
Operationalizing Zero Trust – Step 5: Design the Policy
Learn about an important step on your organization's Zero Trust journey; Design the policy.
Continuously Testing the Effectiveness of your Zero Trust Controls
A holistic Zero Trust strategy should consider and provide coverage for each of these five pillars.
Assume Breach.
Minimize Impact.
Increase Resilience.
Ready to learn more about Zero Trust Segmentation?