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Using Data Telemetry
Rimesh Patel CEng
What it means for Cyber Security?
Telemetry is a concept used within communications systems, whether physical or digital that provides remote measurements.
For your security staff, it means during an incident response they remain less disenfranchised on the severity of an actual incident. For the business it means during an incident the managers are less disenchanted on what factors to consider when trying to uphold a security policy, and for the industry, it allows us to share security operations data with others in a cleaner way - as we would have specified, using telemetry data, how an incident should be triaged.
Combining these methods will not only keep your security operations teams better informed, but also let you increase your security posture throughout the organisation and technology estate - so as you move towards 5G, Cloud services, IoT or other Hybrid systems, you still have the ability to know what to monitor.
Network Operations Centers typically use telemetry for performance and capacity bandwidth monitoring and now with the many next gen style non-perimeter-based integration points, the same concepts can be used to enhance security postures for different departmental technologies. Your organisations internal and external activities are likely to be complemented with the below business functions, and it's here that telemetry can enhance data quality ;
SMART sensors and ecosystems
Security Engineering
Solution Design
Quality Assurance
Spatial Intelligence
Object Orientated DevOp Methods
Departmental Data
Business Workflows
Commonly associated with Telemetry are Metrics, Events, Logs and Traces (MELT). Your overall business process that uses technology components should be able to produce basic MELT data - it's this data that will help you gain better efficiencies, and from a security perspective, it is likely here that indicators of compromise (IOC) or indicators of attack (IOA) can be better considered for behavioural analysis and anomalous activity detection.
What data will you need to validate that an IOC or IOA has affected your security operations policies, how can that data map to industry cyber categories within the Mitre Attack or Cyber Kill Chain models. These models typically feed off vendor logs; however, you can significantly enhance how these models enhance business resilience through better incident response and management activities - even automation efforts as they allow you to introduce a 'control signal' though the chain of command by a specific MELT ensemble.
The combination of telemetry with your own technology platforms can let you compliment your organisations security policies, so when you get an alert, its already qualified. SAIBER Ltd's SME Solutions Package will consider vantage points like these to give you the best security posture you can have.
#RUCyberReady
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For your customer it means they feel safe and confident that your products or services are less likely to get caught out by the trending hack in the news. For your business, it means you are not the weakest link in the supply chain, and for industry, you can interact with others who also demonstrate good governance a chosen threat and vulnerability management framework. A vulnerability management framework has to consider assets, inherent risks and frequency of threats, including; Secure Development Life Cycle Programme User Acceptance Testing & Penetration Testing Risk Remediation & Ownership Resilience Services Patch Scheduling A vulnerability management programme will unite the above into one programme that will increase your security posture. If you are dependent on your online internet facing servers, laptops or devices, then having a dedicate resource is recommended, you can also look at outsourcing repeatable activities, however assessing each risk should have final sign-off from internal leads only. Internal risk postures are constantly moving as are external ones, so making the assessment on how actual attack vectors are going to effect your core business activities is best done internally as the vulnerability categories for risk remediation is only understood by you - including how they effect your security policy. You might have a vulnerability management policy, especially if you are risk appetite is low or your core business interacts with regulated products like heath devices, smart vehicles, utility services or any critical service. Having a dedicated policy will let you validate you have selected the right framework to make assessments of each vulnerability and making sure old vulnerability patterns are not repeated. A good vulnerability management programme will make sure you own your risk and have the right security controls in place, even if you use compensatory controls, they too will be in scope for vulnerability tests, so you must know how your resilience frameworks take effect if those controls fails. SAIBER Ltd's Vendor Neutral Vulnerability Management package will let you execute vulnerability management efficiently by empowering your resources will the correct mechanisms that consider all the above, including technical assessments. #RUCyberReady
For consumers it means they have better confidence that their business data has been considered to represent data privacy. For businesses it means they can better apply security controls during risk assessments as data is better categorised against actual business data sets, and for industry, it allows us to assess third party suppliers more granularly against data regulations. In practice, the use of data discretion will let you better categorise for cyber solutions such as DLP, IAM, OWASP & WAF, SDLC and even DDOS. Historically you might have used all these solutions to monitor hardware and software compromises only, but now, the data layer of your ecosystem also needs monitoring. It has always been there, we just never had a need to strongly demonstrate how these solutions help with data monitoring, for example, for insurance purposes, how does your system guarantee that data remains within its applicable scope, what mechanisms do suppliers use to demonstrate data process is regulated for applicable laws. It is only when you identify which data categories are applicable to your business processes can you then understand how the different technology abstract layers that you have will allow you to take your quantitative data so you can consider it like qualitative data by using relevant data attributes for predictive, interval, concept or heat mapping activities - at this point you can be sure that your selected cyber security control frameworks are going to better serve you as you know where to implement control mechanisms to mitigate your technology risks which interact with all your data classes, sets and reference categories. Our packages at SAIBER Ltd take into consideration techniques such as data discretion by design already, so you can feel assured your data journey is aligned to your cyber security controls on a granular level for your product design, devops engineering, micro-services, giving you data based security operations so you can reflect this with ease into your polices, governance structure to have the security posture you deserve. #RUCyberReady