Thwarting DDoS Attacks
When you are under a DDoS attack, its more or less like having your house flooded. Without any warning, hackers can disrupt your operations. During these attacks every passing moment counts, but unfortunately by the time some of the available solutions detect and report the attack, the damage is done. In the fast paced business market of today, every business owner must employ some sort of DDoS mitigation even to stand a chance against these attacks. The volumetric attacks, although devastating, can take a while before the internal services and users begin noticing their effects. More so, the attacks on the application layer level are a lot hard to detect because of their low volume profile.
When the mitigation starts too late, the damage may already be done, the hackers (whatever their motive may be) long gone and the service rendered unavailable to your users.
The Deployment Methods and The Detection
There are a lot of ways a team of security professionals can monitor the network and perform ample DDoS mitigation. One of the most popular approaches is sampling the traffic flow, as almost all the routers some sort of Flow tech, such as IPFIX, sFlow, or NetFlow. This procedure requires the router to sample the data packets and then export a datagram which contains information about that packet. Now this tech is very commonly available and it can easily scale up or down to match your needs.
As an alternative, mirrored data packets can be used for an in-depth analysis, just not necessarily the path of the onslaught of the traffic. This provides with quick detection of anomalies in the traffic. Setting up mirroring for a large network can be a very tedious task, yet it could be a great weapon against such attacks for mitigation centers and centralized analysis.
Keep an eye on those performance metrics
Bandwidth is a very important metric for most organizations. Although it is very important, the devil is in the details. Ultimately the devices installed on-premise process the packets which are typically of varying sizes. Small packets employ lesser bandwidth and the bigger ones tend to use up more. That said, by sending many small packets at a very high rate can stress out your network infrastructure. Also, these security systems are very much vulnerable to high rate assaults such as various flooding attacks.
As the DDoS attacks enter the network with high frequency of data packets, you need such a DDoS mitigation solution which can handle the onslaught of data packets with enough processing power. Scaling the analytical infrastructure is also a very important consideration. Flow technology can easily scale up or down but it costs a lot.
Regular inspection of the performance of your network’s security is very crucial to ascertain that the DDoS mitigation solution as well as others are holding up and will do so when under attack. That said, flooding a network is very much similar to flooding a home. The sooner you know about it; the sooner you can take the apt actions.
While firewalls and antivirus solutions may help you avert the impending attacks to some extent, it is very important to make the apt preparations and use a combination of these to get the best DDoS mitigation