Cloud Access Security Brokers are truly useful in today’s cloud-driven world, where enterprises are looking to secure their data over cloud-based devices. Ubiquitous cloud adoption majorly including cloud applications like Office 365 and the consequent cloud data security concerns is all leading to the growing popularity of CASB vendors in all major industry verticals, from finance to telecom, from healthcare to trading etc. Like many other enterprises, if you have also decided to fetch a CASB solution to help your organization meet the required security needs and compliance goals after moving to cloud, then it is vital for you compare CASB vendors and then choose the best-suited one. Following are the eight important questions you need to ask while you compare top CASB vendors.
Every cloud application vendor would make his own decision on which type of security functionality has to be built into their provided application. One application might include one type of security function while missing out on some other feature. Another such application might offer just the opposite of what the first one was offering. So, there is quite a variety! While you compare CASB solutions, ensure that the chosen CASB vendor offers some value more than the available built-in security.
Cloud-based data is not only there in the cloud, the moment it is deployed, users arrive with a number of devices and begin downloading massive amounts of data onto these devices across cloud. In no time, as the cloud apps can be accessed through mobiles, the problem can escalate into data breach issue from a mobile device. So, the organizations need to keep an eye on sharing of confidential data from mobile devices to prevent any sort of leakage, and not only the data on Cloud needs to be kept under surveillance.
The access from a mobile device or unmanaged device is more prone to data leakage over the devices configured over the cloud network. Thus, any CASB solution is best qualified to be an application to host when it can takes absolute control over both managed and unmanaged devices to prevent any sort of leakage. Organizations, though don’t seek their data being accessed through mobile devices, but at times, the situation and the nature of the assignments forces them to push their data through unmanaged devices. A best CASB solution thus must achieve both the tasks of mobile security as well as data access through vast cloud network.
Even a minute length of unauthenticated data exposure may lead you into losses. So, you must guard against any data leak even when your cloud network devices are off-line due to connectivity issues. A CASB solution can be considered foolproof only when it can provide real-time visibility and control of data, and checks any unwanted or unauthenticated exposures of confidential data for any length of time. An API based CASB solution, which many CASB vendors have as their foundation for network security protocols, too can lead to exposure of confidential data due to inadvertent notifications delays that come along with APIs for periods of time where often cloud data remains unguarded and unchecked. Thus, a hybrid approach CASB solution is recommended which uses both API based and proxy approaches to ensure complete data protection.
Transparency in the system by gaining visibility into data access activities so that suspicious activities are reported does prove very helpful, but with conventional security models, it is rather too late to act upon. For being proactive against such unauthorized data access, there is something that only a CASB solution with integrated IAM or identity management can provide. So in order to detect any users logged on into the same app from 2 different locations at the same time, it is always better if a CASB solution can step-up for multifactor-authentication on both of those devices soon after that rogue session has been attempted.
Startups, small businesses as well as medium businesses can ensure their enterprise security by deploying an effective CASB solution by having a better data security handle over their cloud-procured data.