Data Net Blog

Data Net Blog

Data Net has been serving the California area since 1983, providing IT Support such as technical helpdesk support, computer support, and consulting to small and medium-sized businesses.

ALERT: Every Social Security Number Stolen by Hackers

ALERT: Every Social Security Number Stolen by Hackers

We’re still getting more information on this, but at the time of writing this, every American can assume that their social security number has been stolen. Let’s share what we know so far.

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Ticketmaster Got Hacked, and It’s One of the Biggest We’ve Ever Seen

Ticketmaster Got Hacked, and It’s One of the Biggest We’ve Ever Seen

You’ve more likely than not purchased a ticket through Ticketmaster at some point in your lifetime, so you might be interested to find out that Live Nation Entertainment—Ticketmaster’s parent company—has had to file an 8-K with the Security and Exchange Commission to admit that 1.3 terabytes of data had been hacked. The result is that more than 560 million customers’ personal information was stolen from company servers.

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A Zero-Day Vulnerability Found in Barracuda’s Email Security

A Zero-Day Vulnerability Found in Barracuda’s Email Security

What happens when the tools designed to keep organizations safe from network breaches, are the victim of a cyberattack? After all, these tools are just applications, albeit sophisticated pieces of security software, they can run the risk of being exploited much in the same way any other software is. This is exactly what happened to cybersecurity giant Barracuda as it was the victim of a zero-day exploit. Let’s take a look at the hack and how you can protect your business from sharing the same fate.

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ALERT: Zero-Day Threats Found on Devices Using Samsung Chipsets

ALERT: Zero-Day Threats Found on Devices Using Samsung Chipsets

Zero-day vulnerabilities are never fun, but this is especially the case with popular devices, like the many that use the Samsung Exynos modem. Google’s Project Zero has discovered 18 such vulnerabilities in these chips, four of which allow for remote code execution. Why should you be concerned about these vulnerabilities and what can you do to minimize your risk?

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Don’t Miss World Backup Day (But Don’t Wait For It, Either)

Don’t Miss World Backup Day (But Don’t Wait For It, Either)

World Backup Day is March 31st, each and every year. However, while there is value to having a dedicated holiday to raise awareness of the need for backup, it should not be the only time it is considered. Let’s go over the importance of proper backup practices, just in time for the holiday, so that you can establish the backup that your business needs if it's not already in place.

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WARNING: Log4j is a Serious Threat, and Your Business Needs to Act NOW

WARNING: Log4j is a Serious Threat, and Your Business Needs to Act NOW

Log4j is a major vulnerability that has a widespread impact across a wide range of technology. We can’t stress how serious this is, and your business needs to take action right away.

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Microsoft Exchange Enabled a Global Cybersecurity Event

Microsoft Exchange Enabled a Global Cybersecurity Event

Bad news—thanks to four flaws in Microsoft Exchange Server software, over 60,000 individuals and organizations have had their emails stolen by a cyberespionage unit based in China, with over 30,000 of those targeted being in the United States. Let’s review what has taken place up to the time of this writing, and what can be done about it.

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We All Just Saw the Largest Cyberattack Ever - Here’s What You Should Know

We All Just Saw the Largest Cyberattack Ever - Here’s What You Should Know

Based on how the rest of the year has gone, it should come as no surprise that 2020 has come to an end with the news that the United States was targeted in the largest cyberespionage attack ever. Let’s go into what this attack signifies, and what we should all take away from it.

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Dangerous Zero-Day Threats in Chrome Patched by Google

Dangerous Zero-Day Threats in Chrome Patched by Google

We’re always talking about the importance of keeping your software up to date. It is the very best way to avoid the vulnerabilities that can cause data breaches. When the Department of Homeland Security tells organizations to patch their software, however, it is urgent. This is exactly what has happened recently regarding the world’s most utilized Internet browser, Google Chrome.

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Alert: Update Windows Netlogon Remote Protocol Now, says Homeland Security

Alert: Update Windows Netlogon Remote Protocol Now, says Homeland Security

The Cybersecurity and Infrastructure Security Agency (CISA) has released an emergency directive concerning a critical exploit known as Zerologon, that affects servers running Windows Server operating systems that needs to get patched as soon as possible.

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Coronavirus: A Threat to Your Staff, Cyberthreat to Your Operations

Coronavirus: A Threat to Your Staff, Cyberthreat to Your Operations

COVID-19, or coronavirus, has been a major global health concern over the past couple of months. At this point, it is clear that this disease could have serious impacts on the workplace. We wanted to provide a brief rundown of good workplace and network health practices, as well as a few pointers on how you can handle health-based employee absences.

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This Botnet Proves That There’s No Honor Among Thieves

This Botnet Proves That There’s No Honor Among Thieves

Cybercriminals and hackers aren’t exactly examples of the most trustworthy people online, so it should come as no surprise that they are willing to exploit each other for their own benefit. We recently saw an example of this phenomenon with the Cobain botnet.

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ALERT: Meltdown/Spectre Vulnerability Can Affect Your Business’ Critical Infrastructure

ALERT: Meltdown/Spectre Vulnerability Can Affect Your Business’ Critical Infrastructure

Intel has had publicity problems in the past, but now things are getting critical. An issue was reported that could potentially cause the processing power of their chips to diminish. What are being known as the Meltdown or Spectre vulnerabilities, have businesses scrambling around looking for ways to protect their data and infrastructure from what is seemingly an oversight that affects most of today’s CPU architectures; namely those that rely on virtual memory.

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There’s a New Internet Explorer Zero-Day Threat in Town

There’s a New Internet Explorer Zero-Day Threat in Town

Have you ever heard the phrase zero-day threat? Basically, they are the scariest threats out there, because they are unaddressed and unresolved by the software developer, all while being actively exploited in the wild. This effectively gives the developer zero days to address the issue before it becomes a problem. Today, one of the most dangerous threats of the zero-day variety takes advantage of a weakness in Internet Explorer - but there is now a patch for it.

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There has been a good deal of controversy about how personal data has been collected, sold, and used over the past few years. Companies of all types package and sell data to create a valuable extra revenue stream for their business, and while this sh...

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