ARTICLES — August 27, 2021

Maximize Data Protection With Zero Trust Security

With the advancement of cloud data storing, companies are able to access data anywhere using any devices. This type of data storing relies heavily on third party data storing. Without proper security, companies are prone to data breach. A report suggested that over 59% of companies experienced a third party data breach. Additionally, companies will suffer greater financial loss when the incident involves a third party instead of a single party event.

Data breach from stolen credentials, excessive permission, insider threats, and malware can be burdensome to deal with. A more secure way to access corporate data is needed. That is why zero trust security is developed.

Zero trust security, is a corporate cybersecurity model that protects data breach through network by using verification. It is known for its motto, “never trust, always verify.” The conventional cybersecurity network assumes that everything behind the corporate firewall is safe. Zero trust security model assumes that every access to the corporate network is not safe, therefore it must be verified. Additionally, certain clearance is needed to access highly sensitive data.

Presently, zero trust security has become more dynamic in its approach in cybersecurity. Having zero trust does not always mean always asking for verification because it can be impractical. Instead, it gathers data using various sources to evaluate access requests and user behavior. It will track devices that were used to access the data or even indicate suspicious activities from any users.

Zero Trust Security Principles

Zero trust security works not just by authenticating, but also limiting access, and also continuous monitoring. Microsoft summarizes zero trust security principles into three points:

1. Verify Explicitly

As a first line of defensive action, verification seeks to find out the subject behind the request access. It has to meet certain data requirements to authenticate such as location, device vulnerability, workload, data classification, and anomalies. It applies to clients as well as internal staff.

2. Least Privilege Access Model

With the rampant application of remote working, it will be hard to limit data access if for people who are working with multiple devices. Traditionally, companies required organizational-owned devices to grant access to these data. Least privilege access creates limited actions that are specific to a curtain goal or task after validation which can be accessed from personal devices. This will give clearance for users to access necessary data while preventing attackers from gaining access to highly sensitive data.

3. Assume Breach

By assuming that data breach already happened or will happen, it will mitigate impact before turning into a data breach disaster. This is done by segmenting access, implementing continuous verification and utilizing analytics to detect suspicious activities and improve defenses.

Zero trust security is an ideal solution for companies who are implementing remote working. It creates visibility and puts suspicion on everyone inside or outside companies. This is a critical aspect of security. As an illustration- In 2009, Google implemented BeyondCorp, a security framework that uses a zero trust system as a response to a prevalent cyber attack. This implementation assesses individual devices and users that access corporate data. As a result employees can have secure access wherever and whenever, even without encrypting their connection using VPN. In banking where sensitive data are mostly shared in an on site meeting, zero trust security grants access to individuals who have clearance over this access.

In summary, zero trust security can help protect your data and client's data, acquire visibility of every traffic in your enterprise, creating a simpler security task, and better user experience. At the same time, you will be protecting your company’s reputation as well as financial losses. In the near future, Telkomsel will release a new security solution that can help you strengthen data security and protect your assets. Stay informed by visiting our website at www.tekomseliot.com.

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