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DDOS ATTACKS HAVE EVOLVED, AND SO SHOULD YOUR DDOS PROTECTION

04/30/2020

April 30, 2020 4:26PM

 * Arun Singh
 * Omer Yoachimik

The proliferation of DDoS attacks of varying size, duration, and persistence has
made DDoS protection a foundational part of every business and organization’s
online presence. However, there are key considerations including network
capacity, management capabilities, global distribution, alerting, reporting and
support that security and risk management technical professionals need to
evaluate when selecting a DDoS protection solution.


GARTNER’S VIEW OF THE DDOS SOLUTIONS; HOW DID CLOUDFLARE FARE?

Gartner recently published the report Solution Comparison for DDoS Cloud
Scrubbing Centers (ID G00467346), authored by Thomas Lintemuth, Patrick Hevesi
and Sushil Aryal. This report enables customers to view a side-by-side solution
comparison of different DDoS cloud scrubbing centers measured against common
assessment criteria.  If you have a Gartner subscription, you can view the
report here. Cloudflare has received the greatest number of ‘High’ ratings as
compared to the 6 other DDoS vendors across 23 assessment criteria in the
report.


THE VAST LANDSCAPE OF DDOS ATTACKS

From our perspective, the nature of DDoS attacks has transformed, as the
economics and ease of launching a DDoS attack has changed dramatically. With a
rise in cost-effective capabilities of launching a DDoS attack, we have observed
a rise in the number of under 10 Gbps DDoS network-level attacks, as shown in
the figure below. Even though 10 Gbps from an attack size perspective does not
seem that large, it is large enough to significantly affect a majority of the
websites existing today.

At the same time, larger-sized DDoS attacks are still prevalent and have the
capability of crippling the availability of an organization’s infrastructure. In
March 2020, Cloudflare observed numerous 300+ Gbps attacks with the largest
attack being 550 Gbps in size.

In the report Gartner also observes a similar trend, “In speaking with the
vendors for this research, Gartner discovered a consistent theme: Clients are
experiencing more frequent smaller attacks versus larger volumetric attacks.” In
addition, they also observe that “For enterprises with Internet connections up
to and exceeding 10 Gbps, frequent but short attacks up to 10 Gbps are still
quite disruptive without DDoS protection. Not to say that large attacks have
gone away. We haven’t seen a 1-plus Tbps attack since spring 2018, but attacks
over 500 Gbps are still common.”

Gartner recommends in the report to “Choose a provider that offers scrubbing
capacity of three times the largest documented volumetric attack on your
continent.”

From an application-level DDoS attack perspective an interesting DDoS attack
observed and mitigated by Cloudflare last year, is shown below. This HTTP DDoS
attack had a peak of 1.4M requests per second, which isn’t highly
rate-intensive. However, the fact that the 1.1M IPs from which the attack
originated were unique and not spoofed made the attack quite interesting. The
unique IP addresses were actual clients who were able to complete a TCP and
HTTPS handshake.


HARNESS THE FULL POWER OF CLOUDFLARE’S DDOS PROTECTION

Cloudflare’s cloud-delivered DDoS solution provides key features that enable
security professionals to protect their organizations and customers against even
the most sophisticated DDoS attacks. Some of the key features and benefits
include:

 * Massive network capacity: With over 35 Tbps of network capacity, Cloudflare
   ensures that you are protected against even the most sophisticated and
   largest DDoS attacks. Cloudflare’s network capacity is almost equal to the
   total scrubbing capacity of the other 6 leading DDoS vendors combined.
 * Globally distributed architecture: Having a few scrubbing centers globally to
   mitigate DDoS attacks is an outdated approach. As DDoS attacks scale and
   individual attacks originate from millions of unique IPs worldwide, it’s
   important to have a DDoS solution that mitigates the attack at the source
   rather than hauling traffic to a dedicated scrubbing center. With every one
   of our data centers across 200 cities enabled with full DDoS mitigation
   capabilities, Cloudflare has more points of presence than the 6 leading DDoS
   vendors combined.
 * Fast time to mitigation: Automated edge-analyzed and edge-enforced DDoS
   mitigation capabilities allows us to mitigate attacks at unprecedented
   speeds. Typical time to mitigate a DDoS attack is less than 10s.
 * Integrated security: A key design tenet while building products at Cloudflare
   is integration. Our DDoS solution integrates seamlessly with other product
   offerings including WAF, Bot Management, CDN and many more. A comprehensive
   and integrated security solution to bolster the security posture while aiding
   performance. No tradeoffs between security and performance!
 * Unmetered and unlimited mitigation: Cloudflare offers unlimited and unmetered
   DDoS mitigation. This eliminates the legacy concept of ‘Surge Pricing,’ which
   is especially painful when a business is under duress and experiencing a DDoS
   attack. This enables you to avoid unpredictable costs from traffic.

Whether you’re part of a large global enterprise, or use Cloudflare for your
personal site, we want to make sure that you’re protected and also have the
visibility that you need. DDoS Protection is included as part of every
Cloudflare service. Enterprise-level plans include advanced mitigation, detailed
reporting, enriched logs, productivity enhancements and fine-grained controls.
Enterprise Plan customers also receive access to dedicated customer success and
solution engineering.

To learn more about Cloudflare’s DDoS solution contact us or get started.

*Gartner “Solution Comparison for DDoS Cloud Scrubbing Centers,” Thomas
Lintemuth,  Patrick Hevesi, Sushil Aryal, 16 April 2020



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Omer Yoachimik |@OmerYoahimik
Cloudflare |Cloudflare

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