We recently discussed SPF and DKIM. Today I’m completing the email authentication hat trick with DMARC. A lot of companies don’t realize that their emails are ending up in the recipient’s spam folder because they haven’t correctly configured SPF, DKIM, and DMARC.
Vlogmas 2022 Day 11: Understanding DKIM
Yesterday I discussed about how SPF, the Sender Policy Framework, helps reduce spam and email impersonation, and helps get legitimate email delivered. Today I’m going to talk about another way email can be authenticated at the domain level, DomainKeys Identified Mail or DKIM for short.
Vlogmas 2022 Day 10: Understanding SPF
Reducing spam, phishing, and email impersonation have never been more important. If you get your email configuration right, you can help in this fight. But if you don’t, you may inadvertently route legitimate emails that you or your organization send directly into quarantines and spam folders. Today I’m going to talk about one of the tools at our disposal, the Sender Policy Framework.
Vlogmas 2022 Day 9: Should security pros learn to code?
Today I’m responding to a frequent question from people who would like to enter or progress in a cybersecurity career: Should I learn to write code?
Vlogmas 2022 Day 8: Election manipulation
Two days ago, I introduced the basics of machine learning, and yesterday I outlined how social media sites can use and abuse machine learning. Today I’d like to specifically address election manipulation.
Vlogmas 2022 Day 7: ML and social media
Yesterday we talked about machine learning basics, and today we’ll discuss the use of machine learning in social media.
Vlogmas 2022 Day 6: Machine learning
Every time you turn around there’s yet another company talking about machine learning. In some cases, it’s pure hype. But for some applications, machine learning is the way of the future, and along with it come significant privacy, security, and policy implications.
Vlogmas 2022 Day 5: Top 5 personal cybersecurity tips
Today on the fifth day of Vlogmas, here are my top 5 personal cybersecurity tips.
Vlogmas 2022 Day 4: Multi-factor authentication
Today I’m going to be short and to the point. There’s a lot of debate about the origin of this quote, but I like it: “Insanity is doing the same thing over and over again and expecting different results.” Stop the insanity. If you’re not using multi-factor authentication, commonly referred to as MFA, you need to start now.
Vlogmas 2022 Day 3: We suck at risk management
One of the questions I’m frequently asked is why the state of cybersecurity seems to get worse every year instead of better. There are, of course, many contributing factors. One of the fundamental problems is that we, as humans, are collectively terrible risk managers.