We visit websites on a daily basis, but how do we know how safe they are? No matter how genuine they look there’s every risk they’re a malicious website.

It’s estimated that up to 18.5 million websites are infected with malicious content. That’s around 1% of the total number of websites online. It may not sound a huge percentage, but it’s a percentage that could cause your business significant trouble.  And it’s a problem that most organizations aren’t entirely clear on. Malicious emails, for example, are well known due to the scare stories that flood our newsfeeds. But we’re less informed about malicious websites. And that’s what makes them dangerous.

However, if you’re able to understand the basics of a malicious website then you’re going to be in a much better position to avoid falling victim. So, what are malicious websites?

What is a Malicious Website?

A malicious website is like any other website on the internet: you connect to it with a browser. But if you dig a little deeper you’ll soon realize why it’s unlikely to become one of your favorite websites. The main objective of a malicious website is to install malware on to your PC. And, in most cases, it won’t even ask permission. The moment that you land on a malicious website is the moment that the malware starts downloading.

But why is a malicious website so misleading? Well, hackers are incredibly clever and they’re even more deceptive. That’s why they design malicious websites to look as genuine as possible. We, as humans, make quick decisions based on first impressions and, in this busy digital age, this is never truer than when online. Malicious websites take full advantage of this. And the false layer of trust that this engenders can soon lead to us clicking on links that we really shouldn’t.

How Do You Protect Yourself from Malicious Websites?

No one wants to fall victim to a malicious website. But, without a prior knowledge of how to protect yourself, this is difficult. Thankfully we’re here to make things easier. That’s why we’ve put together this amazing set of safety tips:

  • Always keep your software updated and install the latest patches as soon as possible. Malicious websites are often used to distribute malware that targets software vulnerabilities. With this updated protection in place you can minimize one of the main threats of malicious websites.
  • It’s vital that you never install any software you’re unfamiliar with. Malicious websites are sometimes courteous enough to ask permission before installing their malicious content. And it’s easy to click the Yes button just to clear the screen of yet another pop-up window. But it can spell disaster for your PC. Therefore, always read pop-up windows carefully and, if you don’t trust it, leave that website immediately.
  • If you’re sent a link to a website that’s unfamiliar then you shouldn’t click it. But you should do some research first. The best way to verify a mystery link is to type that link into the search box of a search engine. The results should soon highlight whether that web address is trustworthy or dangerous.
  • Install internet security software that can identify malicious websites before they’re loaded up. Knowledge of malicious websites can spread quickly and this has led to massive databases being created to help alert users to those that contain a threat.

For more ways to secure and optimize your business technology, contact your local IT professionals.

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Ransomware has been causing trouble for businesses for many years, so it’s clearly a form of hacking which needs greater understanding to avoid its wrath.

The name ransomware sounds a little threatening and, as with all hacks, it’s hardly the friendliest of exchanges. However, whilst most forms of malware – which ransomware is a strain of – tend to disrupt day to day operations of your IT equipment by either stealing data or putting a strain on your network through DDoS attacks, ransomware is different. Not only does it disrupt your IT operations, but it also delivers a financial threat to your organization.

Due to the double whammy contained within ransomware, it’s crucial that you understand the basics of ransomware, so let’s take a quick look.

What is Ransomware?

Believe it or not, but the very first recorded ransomware attack dates back to 1989 when a hacker was able to hide the files of an infected PC on its hard drive and encrypt the file names. And, to be honest, modern day ransomware still operates in a similar, if not more sophisticated, manner.

Ransomware is a form of malware which, when executed on a user’s PC, is able to take over the victim’s system and encrypt their files. Naturally, files are essential for any organization to operate efficiently and to their maximum productivity, so this is clearly a very debilitating attack. However, to add insult to injury, the hackers then demand a ransom fee to release a key which can decrypt the files and return them to a usable state.

How is Ransomware Executed?

The most common method employed by hackers to execute ransomware on a user’s PC is through phishing emails. These emails, which appear to be genuine, are highly deceptive methods of communication which convince the recipients that they need to open an attachment bundled with the email. However, these attachments are far from genuine and the most likely result of clicking them is that malicious software such as ransomware will be executed.

How Can You Combat Ransomware?

With the average ransom fee demanded by ransomware totaling around $12,000, it’s clearly an irritation that your organization can do without. Thankfully, there are a number of actions you can take to protect your business:

  • Regularly Backup Your Data: As long as your data is regularly backed up, there should be no need to pay the ransom fee. With a comprehensive backup route in place you will be able to easily retrieve your files from an earlier restore point when they weren’t encrypted. 
  • Work with Anti-Malware Software: Most ransomware can be detected by anti-malware software, so it stands to reason that installing this software should make a significant difference to your defenses. Updating this software as soon as any patches or upgrades become available, of course, should be made a priority as it could make a real difference to falling victim to newly released ransomware. 

For more ways to secure and optimize your business technology, contact your local IT professionals.

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At the center of all unauthorized access to your computers or servers is a PC exploit. What are these exploits, though, and how do you protect against them?

Without the presence of an exploit, hackers find themselves in a position where gaining access to a victim’s PC is incredibly difficult. However, it suddenly becomes a lot easier if there’s an exploit available that they can take advantage of. It’s probably becoming clear, very quickly, that it’s crucial that you, as a PC user, also know about the existence of these exploits. Unfortunately, the level of knowledge that the average organization has regarding the nature of exploits is disturbingly low. And that’s why so many businesses fall victim to PC exploits.

If, however, your organization can begin to understand even the basics of PC exploits, then you stand to make your IT operations considerably more secure.

What is an Exploit?

The simplest way of looking at an exploit is by describing it as a hole in a security gate. Once hackers become aware of this hole then they can easily bypass your security by climbing through the hole impeded. If we’re talking slightly more technically, then this hole isn’t necessarily a hole but some form of weakness in your PC. These weaknesses can be found in operating systems, software code and any applications installed on your network. And the impact that exploits can have on these components can be devastating.

What Does an Exploit Do?

An exploit can work in a number of different ways; most commonly, a PC exploit is used to infect huge numbers of PCs. It only takes one PC to be infected to help kick-start a process whereby this infection spreads across networks within an organization and, eventually, across the world. This allows hackers to execute the following tasks:

  • Malicious software can be downloaded to PCs without the user’s knowledge
  • Vast amounts of sensitive data can easily be recorded and transmitted to remote locations
  • Ransomware can be used to encrypt data and extort payment in return for the un-encrypted data

How Do You Protect Yourself Against Exploits?

Exploits, of course, are the result of vulnerabilities that are already present on your PCs. Therefore, exploits are down to failures by developers and manufacturers in the design and testing phases of their products. As a result, once an exploit has been identified, any decent developer should work on remedying this exploit by producing a security patch. This patch can be installed on any vulnerable PC to effectively seal the hole in your security gate and keep any hackers out.

Final Thoughts

Exploits can cause major disruption to your organization very quickly due to the ease of access that they gift to hackers. Protecting your organization from these exploits, therefore, is vital to keep your PCs online and productive. Time and knowledge are important commodities when it comes to protecting against exploits, so make sure you remain up to date with not just the latest software patches, but also any breaking news on emerging exploits.

For more ways to secure and optimize your business technology, contact your local IT professionals.

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Zero-day vulnerabilities are frequently referenced in regards to PC security, but it’s also a term which most PC users will be completely unaware of.

Any vulnerability that is present in your organization’s IT network poses a significant danger to the security of your data and equipment. Educating yourself and your staff on the dangers posed by these vulnerabilities is an important security practice, so understanding what zero-day vulnerabilities are is a crucial step in securing your PCs.

To help you get started, we’ve put together a quick guide to provide you with a zero day introduction.

What Happens on Zero-Day?

The definition of a zero-day vulnerability is very simple; it’s any exploit or security bug that is present in software or hardware that isn’t patched as the software vendor isn’t aware of its existence. To be considered a true zero-day vulnerability it must also be known to hackers. And this is where it becomes a huge security concern.

With hackers aware of such an exploit (known as a zero-day exploit), they’re essentially granted free rein to continually exploit this vulnerability in the face of little opposition. Therefore, malware can be installed, data can be stolen and whole networks taken down without software vendors and customers being aware of how it’s happening.

Once the zero-day vulnerability has been confirmed and the software vendor made aware, Day Zero is established. Naturally, any period before Day Zero is highly problematic, but even the commencement of Day Zero provides little comfort. And this is because developing fixes and patches isn’t an instant process. Instead, time and effort needs to be invested in creating these patches and ensuring that customers install them as soon as possible.

What are Some Examples of Zero-Day Vulnerabilities?

Now that you understand a little more about the makeup of zero-day vulnerabilities, it’s time to consolidate that knowledge with some real life examples:

  • Microsoft Windows Vulnerability: Even the seasoned professionals at Microsoft are capable of falling foul to zero-day vulnerabilities with one recently being discovered in the system file Win32k.sys. The exploit can be launched by a specific malware installer and, without the relevant patch, can be considered very dangerous.
  • Adobe Flash Malware: Adobe have suffered numerous zero-day attacks and, in 2016, their users experienced a zero-day vulnerability packaged within an Office document. Activating this vulnerability allowed hackers to download malware to the affected PCs and begin exploiting data until Adobe hastily issued a patch.
  • Internet Explorer Loses Control: Microsoft was, again, victim of a zero-day vulnerability in December 2018 when their Internet Explorer app experienced a severe security risk. It’s believed that the vulnerability is exploited by directing victims to an infected website where the hackers can then assume control of the PC from a remote location.

Final Thoughts

Zero-day vulnerabilities are troubling security flaws as their very definition means that there is no immediate protection available. Accordingly, it’s important that your organization takes the following steps:

  • Always install all updates to ensure zero-day vulnerabilities are treated as soon as possible
  • Backup all data and store it correctly in the case of a zero-day vulnerability disrupting your network and productivity
  • Educate your staff on the dangers of zero-day vulnerabilities and ensure they’re aware of the telltale signs of infection

For more ways to secure and optimize your business technology, contact your local IT professionals.

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Adobe’s Flash Player has had a bad press in recent years due to the numerous security flaws in its design and these problems remain a major issue.

While we frequently worry about the dangers of malware and ransomware, we seem to have forgotten about the security vulnerabilities that are present in software we use every day. Flash has been exposed as having major security flaws in the last few years, so there’s been a tendency to migrate towards HTML5 code which is similar to Flash and much more secure. However, many people still use Flash online, so it’s likely that your organization will come into contact with it on a regular basis.

Understanding how to combat vulnerabilities in Flash is essential for your organization’s security, so let’s try and get a better understanding of Flash’s latest security crisis.

Flash Hits the Headlines Again

On the same day that Adobe released their latest patch for Flash, an independent security expert revealed that they had identified a glaring vulnerability in the software. This security flaw – given the unwieldy name of CVE-2018-15981 – is a curious software bug that has the potential to execute a malicious code through an instance of Flash hosted on a malicious website. Versions of Flash affected are all those up to version 31.0.0.148 and could affect the following browsers: Firefox, Chrome, Edge and Internet Explorer.

Combating Flash Vulnerabilities

The most recent version of Flash (31.0.0.153) is more than safe to use in terms of this recently discovered vulnerability, but the question remains as to whether more vulnerabilities are lurking within it. So, how do you combat the security flaws presented by Flash?

Many browsers, such as Chrome, Firefox and Edge, now insist that users have to manually activate Flash each and every time it’s encountered, but confidence tricks can easily be employed by hackers to disguise this. Flash, of course, is being discontinued at the end of 2020, so many people are simply disabling the software. With only a small minority of websites still using Flash, the loss of productivity from disabling it are considered minimal due to the alternative solutions on offer such as HTML5.

However, many organizations rely on Flash-based websites to complete essential tasks such as online customer portals etc. In these cases, the importance of monitoring crucial software updates and acting on these immediately should be a priority for all IT teams. Many businesses have been caught out on countless occasions due to a lack of care when it comes to installing patches and software updates. While this latest vulnerability does not appear to have been exploited by hackers, it could have easily led to severe data breaches and a drop in productivity for any organization affected.

Final Thoughts

Flash has been present within the landscape of the internet for over 20 years, but it almost feels as though Adobe have barely concentrated on it for the last few years. As a result, Flash has received nothing but negative feedback due to the security flaws present. Naturally, with just two years left in its lifespan, these issues will soon become irrelevant, but for now it’s vital that you regularly install updates or, where possible, disable it.

For more ways to secure and optimize your business technology, contact your local IT professionals.

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