security Archives - Page 3 of 8

SPF Lookup Tool provides insights for better protection against forged sender addresses

Posted on August 23, 2025

Email is now a highly reliable and commonly utilized method of communication for both personal and professional interactions. Nevertheless, it has also become a key target for cybercriminals who take advantage of weaknesses to execute attacks such as phishing, spoofing, and business email compromise. A powerful defense mechanism against these threats is the Sender Policy Framework (SPF).

Utilizing an SPF lookup tool offers organizations essential information regarding the usage of their domain, enabling them to defend against fake sender addresses. By consistently employing an SPF lookup tool or SPF Tool, companies can protect their brand image, enhance email deliverability, and bolster their overall cybersecurity efforts.

[Read more…]

How smart detection systems are protecting communities

Posted on August 14, 2025

When we talk about keeping communities safe, we often think about visible measures—police patrols, security cameras, and neighborhood watch groups. But behind the scenes, technology is stepping up in a big way to help detect problems early and prevent them from escalating.

Smart detection systems are becoming the silent guardians of schools, public spaces, and even private businesses, offering a layer of security that’s proactive rather than reactive. [Read more…]

How to print all the passwords Firefox is storing for you

Posted on May 9, 2025

Want to get my easy to follow Tech Tips in your email?

A while back I wrote this post explaining why it’s a really bad idea to let your browser store the passwords to your online accounts.

That post resulted in quite a few readers asking for help with removing their stored passwords from Google Chrome, which in turn prompted me to write this post with step-by-step instructions.

At the time I didn’t receive any requests for help with removing stored passwords from Firefox so I didn’t think to write anything up about it, but recent developments have prompted me to do it now. [Read more…]

Why your smart (IoT) devices need their own dedicated user accounts

Posted on March 18, 2025

Want to get my easy to follow Tech Tips in your email?

Do you own (or plan to acquire) one or more ‘smart devices’ such as a smart speaker, an IP camera, a video doorbell, etc.? If so, here’s a little tip for you…

Virtually all smart IoT devices that connect to the Internet collect various types of data about you, your home and/or your family’s activities and send that info back to the company that made the device.

Of course some data collection and transfer activities are essential in order for the device to serve its intended purpose (an IP camera capturing video and sending it to your remote smartphone, for example), but depending on the device and how it is used some of the data that’s collected can be quite intrusive. [Read more…]

Q&A: Is it really dangerous to keep using Windows 7?

Posted on April 28, 2024

Question from Luisa: I’m hoping you can clear something up for me.

I’ve heard some people say we need to stop using Windows 7 now that Microsoft has stopped updating it because it’s no longer safe.

Others are saying it’s perfectly fine to keep using it as long as the computer has an antivirus on it.

This is really confusing to me.

My HP laptop is old but it still works fine even though it has Windows 7 on it. I really hate the thought of having to replace it, but I will if it’s really unsafe to use.

Rick’s answer: [Read more…]