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Unformatted text preview: for public outreach and engagement. 7 8 Cloud Service Models and
Their Security Demands
Non-relational data stores such as NoSQL
databases are facing increasing security threat.
Developers using NoSQL DBs usually embed
security control in the middleware.
Clustering aspect of NoSQL DB poses
additional challenges to enforce robustness
of such security practices. 9 Data and transaction logs are stored in multi-layer
media. Auto-tiering is in great demand for big-data
storage management. Prof. Kai Hwang, USC 10 • Large data collection at millions of end points (such as
mobile devices) needs to be validated and unwanted or
malicious data needs to be filtered out timely. Scalability and availability are the major concern to
secure the auto-tiering process. • The problem is getting worse for growing security
threats, especially in using the BYOD (Bring Your Own
Device) model in pervasive applications Higher tier in a big company often demands
increased security than the lower tiers. • User cases include data collected from weather
sensors and feedback votes sent by iphone apps, etc. 11 12 Trusted Zones for VM Insulation
federation APP Virtual
security APP OS OS Tenant
Virtual Infrastructure Control and
re APP APP OS OS Anti-malware
authentication Segregate and
access Security Info. &
Event Mgmt Data loss
prevention Tenant #...
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- Spring '08