About David Perkovic

David founded DP Computing in 1993. With a Computer Science degree and over 25 years of IT experience David has advanced computer, server and networking skills. He has personally designed, setup and administered many Microsoft based networks and likes to share his knowledge via blog posts and Youtube videos.

Top Breaches of 2023 and How You Can Protect Yourself

Computer Security

The battle against cyber threats is an ongoing challenge and unfortunately there is no one thing that will protect you 100% and 2023 has proven to be a watershed year for data breaches. Data compromises have surged to an all-time high in the U.S. This is based on data from the first 9 months of the year. Meaning that numbers will only end up higher for the year. Continue reading

The Risks of QR Codes

Qishing

Quick Response (QR) codes have been around for over 20 years, but were not used a lot until recently. During the COVI-19 pandemic, businesses needed a safe, contactless solution and QR codes provided an easy way for customers to access menus, place orders, log into WiFi and more – all without touching shared surfaces. Continue reading

Do You Really Need It All? Understanding the Need for Comprehensive Cybersecurity

Security Testing

As a small business owner, your top priority is keeping costs low while supporting business growth. Your IT provider recommends investing in a robust stack of cybersecurity software and owners wonder whether they really need all those solutions. Continue reading

Is Your Inbox Drowning in Spam? Here’s Why and How to Stop It!

Why Spam is a Small Business Nightmare

Unwanted marketing messages (aka SPAM) are clogging up everyone’s inboxes, but have you ever stopped to wonder how on earth all those spammers have sourced your email address?

Hare are some ways they may have gotten your email address: Continue reading

7 Great Features Rolled Out in the Latest Windows 11 Update

In a world where technology constantly evolves, Microsoft continues to pioneer innovations. Their innovations transform how we interact with our digital universe.

The fall Windows 11 update is more than just an upgrade, it is a leap into the future of computing with Microsoft touting it as “The most personal Windows 11 experience.” Continue reading

Why You Should Not Do Social Media Quizzes

Social Media Quizzes and Surveys

Answering quizzes or surveys on social media may seem innocent, but the people behind those questions could have ill intent. They are using a quiz format to gather the personal information they need to access your accounts. Think about it. Who else asks for your pets’ names, your favourite colour, the school and / or university you attended, or your mother’s maiden name? These are questions you use as password reset prompts. Continue reading

Explanation of Security Layers

A lot of people ask me about security and are often confused when I say you need multiple layers of security. This blog aims to explain the multiple layers and relates them to how you secure your own home or office. Continue reading

“Have You Tried Turning It Off and On Again?” – The IT Quickfix

Rebooting

The first question most IT people ask when end users call for support is the good old “Have you tried turning it off and on again?”. While this may seem annoying, the reality is that many issues are fixed with a reboot. The longer you keep your computer running without a restart or shutdown, the higher the chances of encountering problems or issues. Continue reading

Be On the Lookout for Ransomware Pretending to Be a Windows Update

In a lot of these blog articles on security I always say you need to keep your software up to date. But what happens when that so called update is ransomware? This is the nightmare caused by an emerging cybersecurity threat called Big Head. Continue reading

10 Biggest Cybersecurity Mistakes of Australian Small Businesses

Security

It is often lax cybersecurity practices that enable cybercriminals to breach companies. This is especially true when it comes to SMBs (small and mid-sized businesses) as they often don’t prioritise cybersecurity measures. They may be just fully focused on growing the company and they think they have a lower data breach risk. Cybersecurity is not only a concern for large corporations and is a critical issue for small businesses as well. Small businesses are often seen as attractive targets for cybercriminals as they don’t spend the time to implement proper cyber security defensive methods. Continue reading