Blocking a mass spam attack (updated)
Recently a new trend has emerged where criminals are attempting to hide their activity behind a barrage of spam email to the compromised mailbox or to any popular mailbox in the domain.
security
33 posts
Attack Surface Reduction = Zero Day Protection
Attack Surface Reduction (ASR) rules have expanded to include a full range of zero-day protections. If you aren't using them today or haven't tried to use them recently, then it's time to look again. If you aren't locking down Windows natively then you're missing out on critical security features.
What is Defender Anti-Virus Troubleshooting mode?
The real purpose of Troubleshooting Mode, then is for you to document changes that you need to make to the organizational policy for Defender for the affect machines.
Don’t change the threat actions in anti-virus policy
Students in the Defender XDR course were advised not to alter threat actions in their anti-virus policy, leaving them as Not configured. This allows Defender to use its default behaviors, local device settings, signature-defined actions, and automatic remediation. Relying on Microsoft's security expertise ensures optimal threat management.
Receive an alert when a message is released from quarantine
Even though quarantine management has been assigned outside of IT you should still monitor when an email has been released from quarantine because phishing is the #1 method that criminals use to gain a foothold in your network.
Assign email quarantine management responsibility
It is determined that a user outside of normal IT operations should be given the ability to manage the email quarantine for the company.
Blocking and monitoring generative AI in your network
Oh, my AI, what can be done? There’s lot of FUD (fear, uncertainty, and doubt) being spewed from […]
Where do you reset MFA for a user?
This is as much for me as it is for you, because I’m constantly forgetting where this is […]
What should your MSP drop or adopt?
We are in a period of rapid change. The next five years is full of drama for MSPs. This should all be information that you've already heard. But have you internalized it or operationalized it yet?
AMA on Cybersecurity in MSPs
Cybersecurity is a tricky subject for MSPs and I know it's on everyone's mind. Join me in this AMA, sponsored by SuperOps and let's talk about these issues.
The invasive Otter
In today's meeting, a person I met with was sent a meeting recap from "me". Otter had joined a meeting that I was invited to and then emailed them that person a recap of our meeting. I was very disturbed by this event
Setting up Defender for Business XDR in 45 minutes or …
In this session, I reviewed the very most important parts to start with when setting up your XDR. That doesn't mean, skip the rest. It means start here and then go back through and configure everything.