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Distributed denial-of-service (DDoS) attacks on the rise

Over the last few years, DDoS attacks have been on the rise. In fact, just in the last two months, United Federal Credit Union (UFCU) and Patelco Credit Union have experienced significant downtime twice due to denial-of-service attacks on their servers.

As some of you may already know, a DoS attack or distributed denial-of-service (DDoS) attack involves a concerted attempt to make a machine or network resource unavailable to its intended users by flooding a target with an enormous amount of traffic.

What are the symptoms of a DDoS attack?

According to the United States Computer Emergency Readiness Team (US-CERT), the symptoms of a DDoS attack include:

  • Unusually slow network performance
  • Unavailability of a particular website
  • Inability to access any website
  • Dramatic increase in the number of spam emails received
  • Disconnection of a wireless or wired internet connection

What can be done to mitigate DDoS attacks?

In many cases, DDoS attacks can be mitigated effectively by introducing specific pieces of code to a business’s ASA (Firewall) configurations. These pieces of code, if properly implemented, can significantly reduce the chances of a DDoS attack being successful.

AMRCONs current firewall configurations are the result of years of experience and testing. Therefore, many of the countries that generally conduct DoS attacks have been addressed in our current configurations.

If you’re concerned your business may be at risk of a DoS attack, we would recommend filling out this form for a free network audit. Our highly trained technicians will review the firewalls you have in place and make any suggestions that would improve your security.