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National Technologies Group Blog

National Technologies Group has been serving the Sydney area since 1994, providing IT Support such as technical helpdesk support, computer support, and consulting to small and medium-sized businesses.

Google’s Android Update Should Remind Us How Crucial Maintenance Is

Google’s Android Update Should Remind Us How Crucial Maintenance Is

The Android operating system periodically receives updates and patches detailed in online publications called Android Security Bulletins. In the March 2025 edition, Google announced that 43 malicious bugs had been resolved, two of which were zero-day vulnerabilities.

Let’s talk about how to implement these fixes and why this is a practice that should reach every aspect of your business’ IT.

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Don’t Apologize for a Data Breach (Do This Instead)

Don’t Apologize for a Data Breach (Do This Instead)

It should come as no surprise that cybersecurity is a big challenge for businesses and individuals alike. The problem: life pretty much revolves around being online these days, so there’s no avoiding it. Therefore, it’s your responsibility to ensure that any data you collect from your customers, employees, and other key stakeholders in your business is well-protected, otherwise you will face severe consequences.

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How Does CAPTCHA Work?

How Does CAPTCHA Work?

We’ve all had to confirm we’re not a computer when attempting to log into an account. This is the core purpose of what once was called CAPTCHA… the Completely Automated Public Turing test to tell Computers and Humans Apart. However, it seems surprising that computers don’t easily overcome these simple-seeming tests.

Let’s dig into why these simple tests actually are effective at differentiating between human users and automated bots.

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Tax Season Brings Scammers Out of the Woodwork

Tax Season Brings Scammers Out of the Woodwork

In the United States, tax season is prime time for hackers to take advantage of law-abiding, tax-paying citizens. They do this through all kinds of nefarious activities, such as phishing attacks conducted through text messages and emails claiming to be from the Internal Revenue Service. If you want to avoid getting scammed this tax season, be sure to keep the following tips in mind to stay safe while you conduct your typical tax routines.

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Ransomware Payments are Less Frequent, But It Isn’t All Good News

Ransomware Payments are Less Frequent, But It Isn’t All Good News

Despite some of the headlines that we saw last year, it wasn’t all bad news regarding ransomware. Critically, 2024 saw ransomware payments plummet by hundreds of millions of dollars… despite many large-scale attacks and one record-breaking whaling payment of $75 million by one victim.

This is undeniably great to hear… but with that in mind, we cannot let ourselves slip into complacency.

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