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Showing posts from 2017

TCP Handshake over IPv6

The internet we know today heavily relies on TCP/IP to send our information around the world at lightspeed.  With more devices than ever connected to the internet (insert link to back this up, it sounded cool), using IPv4 we're soon going to run out of addresses.  And in fact if it weren't for technologies such as NAT we'd be in a stickier situation than we already are.   In preperation of running out of IP addresses, IPv6 was mustered up around 1998 by the IETF, a 128-bit addressing convention vs the old IPv4 32-bit addressing. So that means IPv6 has been around quite a while now.  Almost 20 years, yet still IPv4 is all the rage.  Perhaps us techies have trouble letting go of what we know.   I mean why set up an AAAA record, when you only need to set up an A record right?  Why configure DNS to use   2001:4860:4860:0000:0000:0000:0000:8888 or 2001:4860:4860::8888 when you can just use 8.8.8.8 right?  Well yeah, let's save all that for another article, once I've h

Wide Impact: Highly Effective Gmail Phishing Technique Being Exploited

There is a highly effective phishing technique stealing login credentials that is having a wide impact, even on experienced technical users. The Phishing Attack: What you need to know A new highly effective phishing technique targeting Gmail and other services has been gaining popularity during the past year among attackers. Over the past few weeks there have been reports of experienced technical users being hit by this. This attack is currently being used to target Gmail customers and is also targeting other services. The way the attack works is that an attacker will send an email to your Gmail account. That email may come from someone you know who has had their account hacked using this technique. It may also include something that looks like an image of an attachment you recognize from the sender. You click on the image, expecting Gmail to give you a preview of the attachment. Instead, a new tab opens up and you are prompted by Gmail to sign in again. You glance at the location