Page 13 - Cyber Warnings August 2017
P. 13

configured DNS server can deliver a lot of information to an attacker about the internal
                       configuration of systems.

               Attackers are probing your organization’s outer wall for a way in, and information about internal
               networks. Walk along the wall. Are you absolutely certain there are no holes and no data
               leaking through them?

               Attack your passwords
               Your employee’s passwords are likely one of your primary vulnerabilities. We’ve all heard the
               speech about strong passwords, mixing in numbers and special characters, etc. Most of what
               you have probably been told is wrong. Until you’ve seen password cracking in action, you likely
               have no appreciation for the capabilities of current tools and computer hardware. Here’s an
               example many of us have encountered: below is a link to an infographic put out by the PCI
               Security Standards Council entitled: “It’s time to change your password”:

               https://www.pcisecuritystandards.org/documents/PCI-Password-
               Letter.pdf?agreement=true&time=1502716087229

               In this infographic, nine sample passwords are shown with their respective time to crack the
               password. Here’s the list of passwords:


                                 Password                                      Time to Crack


                                   burger                                         instantly



                                  burger1                                        19 seconds


                                  Burger1                                        14 minutes



                                 123burger                                         7 hours


                                 Burger123                                        39 days


                               hamburger123                                       37 years



                                Burger&fries                                    64,000 years


                               Burger&fries1                                  26,000,000 years



                               Burger123fries                                 98,000,000 years


                    13   Cyber Warnings E-Magazine – August 2017 Edition
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