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If you work in the enterprise IT market, there is a word you are hearing all of the time. It’s IoT or Internet of Things. It’s an all-encompassing term to describe devices that are connected to the network that are not end-user devices. IoT devices in the enterprise could be commercial HVAC controllers (think Ecobee, but for commercial heating and air), commercial camera and DVR systems (an enterprise-grade version of something like Arlo), water fountain filter sensors, or connected paper towel dispensers that alert someone when they are close to being empty. All of these products look great on paper, but I am concerned about the security of the devices, their ability to be managed, and their ability to be upgraded.Security of IoT devices
One of the major issues with IoT security is that devices are built and maintained by companies who aren’t networking natives. When I say networking natives, I mean companies who live, eat, and breath the IT world. A lot of the companies making IoT sensors are companies that generally don’t deal with the IT infrastructure normally. This means they probably don’t play as well with policies and procedures that most IT departments have set in place.
In my experience working with IoT devices, I’ve found they will often ping IP addresses that I didn’t approve, and they will be pinged by IP addresses from other countries. I think what happens is since the companies developing these products aren’t “networking natives”, they are sub-contracting the networking aspect out vs. building something in-house. They aren’t aware of what the products are doing (nor do I think they care). IT departments end up having to build additional security policies around these devices.IoT devices and the ability to be managed
One of the big issues I am seeing with IoT is there is no standard platform in the enterprise. There is no Alexa or HomeKit. There is no centralized solution that you could build on top of as an IT manager. What happens is that you plug these devices into the network (or connect to Wi-Fi), and then you have to manage them individually. You have to keep track of separate IP addresses, user names, and passwords. What we need is a centralized web dashboard that allows an IT manager to monitor, configure, and track all IoT devices. As the number of devices continues to grow (I suspect that we will soon have more IoT than end-user devices), this will be a must.IoT devices and upgradeability
Software vulnerability discovery isn’t an if, but rather a when. We live in a hyper-connected world, and a vulnerability in one device can have a ripple effect elsewhere. Especially for enterprise networks, a single vulnerability in a device can open up an entire network.
If a security flaw is discovered in a product, is an IoT vendor prepared to patch the problem? Do they even have staff available who can change the code? Do they have the ability to remotely upgrade the device? This problem goes back to the security and manageability of these devices. If we are going to put devices on our network with mission-critical devices, there must be a plan for handling security problems by addressing how and when they will be upgraded in the future.Wrap-up on IoT security
I am a big fan of the premise of the internet of things device category. I love what it’s enabled me to do at home by automating my lighting and with saving energy by cutting HVAC usage. I do believe it’ll have a great future in the enterprise, but we need a company to come along and build out a platform to handle security and management aspects instead of each device living off on its own.
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You're reading Apple @ Work: Iot Devices Face Security Problems That Must Be Addressed
The interconnection of physical devices, vehicles, and other things which relate to electronics, software, sensors, and connections that allows these objects to collect and share data is referred to as the Internet of Things (IoT). The Internet of Things (IoT) has altered our way of life and work. Ever since IoT came into our lives, we have had great experiences and easy lives. Hence its security is a factor that cannot be ignored.Major IoT Devices in Use
Smart thermostats, security cameras, and home assistants are examples of IoT gadgets that have become standard in our homes and workplaces. As the number of IoT devices increases at an alarming rate, so are concerns about their security.
To begin, it is critical to recognize that IoT devices are not simply basic devices; they are complicated systems that might be exposed to a variety of threats. These threats can range from simple denial of service (DoS) attacks to more sophisticated attacks that compromise the device and steal important data. As a result, it is critical that IoT devices be designed in such a way that security is prioritized.
In this article, we will look at some of the major security factors that are crucial to consider when implementing IoT devices.Security of the IoT Devices
It is important to consider the security of the devices themselves. Many IoT devices are small and inexpensive, which means they often lack the processing power and memory to run traditional security software. Furthermore, they may use proprietary operating systems that are difficult to upgrade or patch. As a result, they are vulnerable to viruses and network intrusions.Solution
To decrease these risks and ensure that devices can be swiftly updated with security updates, manufacturers should implement safe design features like encryption and secure boot processes.Security of Connection
The communication between IoT devices and the internet must be secure. Many IoT devices use wireless communication protocols such as Wi-Fi and Bluetooth, which can be vulnerable to interception and corruption.Solution
To protect against these attacks, manufacturers should use secure communication protocols such as HTTPS and SSL/TLS. In order to prevent unwanted access, devices should be set to use strong passwords and authentication procedures.Security of Personal Data
IoT devices, most of the time, collect and transmit huge amounts of personal data, which must be safeguarded to maintain privacy. The data collected may contain sensitive information, such as home security footage or personal health information.Security of Encryption
Encryption is another key security aspect. IoT devices frequently gather and communicate sensitive data such as personal information, financial information, and location data. To prevent intruders from intercepting and using this information, it must be encrypted. Encryption can also be used to safeguard a device from being compromised by malware or other harmful software.Security of Passwords
One of the key security factors to consider is the use of strong passwords. Many IoT devices come with easily guessable default passwords, allowing attackers to obtain access to the device.Solution
Manufacturers should utilize strong data encryption and secure cloud storage services to protect this data. They should also impose strong access controls and limit the amount of data collected and stored. The first priority must be to change the default password to a strong, unique, and difficult-to-guess password.Physical Security
Not only are the technical security factors, but it is also crucial to consider physical security. IoT devices are often small and portable, which makes them easy to steal.Security of the Standard
Another issue is the absence of security standardization among IoT devices. Because the IoT sector is still in its early stages, there is no one standard for safeguarding IoT devices. This can make it difficult for businesses to secure the security of their devices, as they may need to deploy multiple security policies to protect against various types of threats.Solution
It is important to keep the device in safe locations, such as a locked cabinet, to prevent it from being stolen. It is also important to make standard checks before releasing it into the market.Security of IoT Ecosystem
It is critical to evaluate the IoT ecosystem’s overall security. As the number of internet-connected devices increases, consequently, the likelihood of network attacks also increases.Security of Updating Devices
Lack of software upgrades is another issue for IoT devices. Many IoT devices, unlike traditional computers and smartphones, do not receive regular software upgrades, leaving them exposed to known security flaws. This is especially concerning for critical infrastructure devices, as a lack of upgrades could leave them vulnerable to assault for extended periods of time.Security of Cyber Attacks
One of the most significant security concerns with IoT devices is their propensity to cyber-attacks. IoT devices frequently have limited computational power, memory, and storage, making standard security methods like encryption and firewalls challenging to install. As a result, these devices are often easy targets for hackers looking to gain unauthorized access to sensitive information.Solution
To protect against these attacks, manufacturers should use network security protocols such as intrusion detection systems and firewalls. They should also collaborate with security experts and organizations to stay current on the latest threats and vulnerabilities.Conclusion
To summarize, IoT device security is a complex and multifaceted issue that necessitates the attention of manufacturers, consumers, and security experts. We can work towards a more secure and trustworthy IoT by examining the security of the devices themselves, the connection between devices and the internet, the protection of personal data, and the overall security of the IoT ecosystem. Although IoT devices provide numerous benefits to our lives, it is critical to be aware of the security dangers associated with these devices. You may enjoy the benefits of IoT devices while limiting the risks by recognizing and mitigating key security considerations.
With the release of the new M1 Macbook Air, the final parts of the transition to Wi-Fi 6 are beginning for Apple. Today, the iPad Pro, iPad Air, iPhone 11, iPhone 12, M1 MacBook Air, and the M1 MacBook Pro all support Wi-Fi 6. Lacking support is the low-cost iPad, iPad mini, and all of the Intel Macs.
Wi-Fi 6 brings several vital things to enterprise and K–12 Wi-Fi networks and addresses some critical problems with Wi-Fi connectivity. One of the main ones is increasing capacity for environments with a lot of devices. Setting up a basic Wi-Fi connection in your home is relatively easy. Unless you live in a multi-dwelling unit, it’s one thing you can’t really screw up.
Designing Wi-Fi for an environment with potentially hundreds or even thousands of connections is entirely another process. You have to be concerned with co-channel interference, how devices roam, complex security issues, and other complicated issues.
One of the biggest challenges at the moment is designing for capacity. OFDMA is one of the newest pieces of technology in Wi-Fi 6. A 20 MHz channel can be partitioned into as many as nine smaller channels in Wi-Fi 6. Using OFDMA, an access point could simultaneously transmit small frames to nine Wi-Fi 6 enabled clients.
One thing to remember is that Wi-Fi 6 brings back 2.4 GHz support, while 802.11ac was only compatible with 5 GHz. I prefer the 5 GHz band (a minimum of 19 non-overlapping channels vs. 3 for 2.4 GHz); 2.4 GHz is still popular due to its low cost and battery life.
Networking vendors have been touting Wi-Fi 6 for years, but we’re just now at the place where Wi-Fi 6 has to be your default choice for Apple deployments. I know many organizations held out on supporting Wi-Fi 6 while the Mac lacked support. We’ve finally hit the ideal time when the Mac is finally seeing the transition to Wi-Fi 6, and the iPad lineup is almost completely migrated to Wi-Fi 6. While old iPhones hang around for years, we’re now a year into all of the newest iPhones supporting Wi-Fi 6. It’s safe to say that you’ll see a lot more Wi-Fi 6 enabled devices on your network in the next year.
Vendors like Ubiquiti are now releasing their Wi-Fi 6 access points where companies like Extreme have been selling them for a few years now. Even though technology like Wi-Fi6e seems like it’s just around the corner, new communications technologies tend to have a lot of news early on in their development cycle. It takes years for the technology to mature and even longer for devices to add support.
With the Mac and Wi-Fi 6, we’re at the place where the technology is mature enough that it’s come down in price significantly. The underlying code powering the access points has matured and eliminated the early bugs as well. Support in client devices is also quite common now. I say all of this to say, now is the time when Wi-Fi 6 has to be the default choice for enterprise and K–12 networks. If you look at device deployments as a five-year project, Wi-Fi 6 in 2023 is the only proper wireless decision. There is no reason to deploy an 802.11ac network or wait on Wi-Fi 6e.
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EBay’s security team isn’t going to get a break for a while.
“As a company, we take all vulnerabilities reported to us very seriously, evaluating any reported issue within the context of our entire security infrastructure,” wrote Ryan Moore, lead manager of eBay’s business communications, in an email to IDG News Service.
EBay has long been a target for cybercriminals. It is the seventh most visited site in the U.S, according to statistics from Amazon’s Alexa Web analytics unit. Its combination of a marketplace and payments platform, PayPal, means it holds sensitive data and poses opportunity for fraudsters.
Three U.S. states—Connecticut, Florida and Illinois — are jointly investigating eBay’s data breach, a sign that regulators and law enforcement are taking a keen interest in how consumer data is protected following Target’s data breach last year.
EBay’s size puts it in the league of companies such as Facebook, Google and Microsoft. All run large networks constantly prodded by “black hat” hackers, those who are seeking to damage a company or profit from attacks, and “white hats,” who alert companies to problems.Easily exploited
Yasser Ali, a 27-year-old who lives in Luxor, Egypt, said it took him all of three minutes last week to find a serious vulnerability that could let him take over anyone’s eBay account if he knows a person’s user name, which is public information.
Ali, who quit his job as a mechanical engineer last month to focus on information security, has found other bugs before in eBay and is named in a list of security gurus who have helped out. But he said he has little incentive to continue analyzing eBay since the company doesn’t pay for vulnerability information.Professional bug hunters help
Google, Facebook, Yahoo and others pay independent researchers rewards up to thousands of dollars for security information. The payments are an incentive for security enthusiasts, who spend long hours on their own time to look for flaws.
Instead of payment, EBay recognizes researchers if they responsibly disclose flaws and do not publish public information before a flaw is patched. A long list of contributors is on its Responsible Disclosure Acknowledgement Page, and Ali is among them.
Joshua Rogers, a teenager who lives in Melbourne, said he started looking around eBay’s website just prior to the data breach because he was bored. Rogers is notable for finding a SQL injection flaw late last year in the website of Public Transport Victoria, which runs that Australian state’s transport system.
He said via email he’s found several cross-site scripting vulnerabilities and an information leakage flaw in eBay. He also found a SQL injection vulnerability, which was fixed by eBay about four days ago.
But he wrote “we are aware that active content may be also used in abusive ways.”
EBay’s security system detects when malicious code is inserted on the website, and it bans the use of some kinds of active content, Moore wrote. Product listings that have malicious content are removed.
One problem involving Flash was reported to eBay last week by 19-year-old Jordan Lee Jones, who lives in Stockton-on-Tees, U.K. The flaw allowed him to upload shellcode to eBay’s network, which would have allowed him to deface part of the website or download the backend database.
The Internet of Things, or IoT, is a broad label that talks about everything else on your network: It excludes your desktops, laptops, smartphones, routers, switches, servers and so on. They are the other devices that need access to the Internet, and are barely under your control: environmental sensors. Lighting automation. Projectors in conference rooms. PoE-powered NTP-controlled clocks.
And that’s what makes them huge security risks to your everyday technology equipment. IoT devices can pose as unsecured portals for three main reasons:
You don’t have the same tools to manage and update them — and the vendor may not even have patches for security problems. All those lovely tools you have for desktop management, server orchestration, mobile device management … they don’t touch IoT devices, by definition. So you’ll be flying in the dark, coming up with an individual solution for every type of device on your network.
Your normal security tools are ineffective. Anti-malware, intrusion prevention, sandboxing — none of them know about your special Wi-Fi-enabled thermostats and break room refrigerators. Many of your defenses are weaker with this type of technology.
IoT often bridges to the physical world, making your threat scenarios different. It’s not a data breach if the building automation system gets hacked — it’s power or HVAC going out for an entire building.
IT managers need a solid security strategy for IoT devices, focusing on isolation, securing traffic, and managing connections.Isolation
Most (but not all) IoT devices will want to use Wi-Fi and must be isolated to their own network. They should be on their own SSIDs (Wi-Fi) or VLANs (wired), and security should be set to disallow peer-to-peer communications even on the same network. Wi-Fi engineering to help reduce the impact of these devices can also help, so set your access points to have a minimum RSSI (Received Signal Strength Indicator) and minimum speed. This will keep distant IoT devices from locking onto the wrong access point and affecting performance for everyone.Evaluate Your Mobile Security Plan
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You could set up a separate Wi-Fi network with dedicated hardware, but this is usually overkill and represents a doubling of your management burden — not to mention the added cost of installing more access points. Simply isolating by SSID on your existing network is sufficient for most IoT uses and lets you leverage all of the Wi-Fi engineering you already have in place. Because most IoT devices are on the 802.11b (2.4 GHz) bands, pushing end users to an 802.11a (5 GHz) band, which has less interference and more bandwidth, will improve things immensely. All modern laptops and smartphones have 802.11a radios in them, allowing you to reserve the slower and more crowded 802.11b for IoT devices and legacy hardware.Securing Traffic
IoT networks (wired and wireless) definitely need firewalls, and those firewalls should be configured for very strict controls. Given the low cost of firewall hardware, you may even want to have dedicated low-end firewalls for these networks, simplifying the process of change management and saving more expensive Next-Generation Firewalls for clients and servers, where they are more appropriate. IPSes may work on IoT networks, but don’t count on IPSes to provide much additional security and be on the lookout for false positives that may be breaking critical IoT communications.
Traffic outbound should be strictly controlled. IoT devices don’t need to roam all over the Internet. They usually have a small set of servers they talk to, and that’s all. Each new IoT device or class of devices should be monitored to see which communications are really needed (vendors often ask for either too much or too little). Then, firewall rules need to be placed to ensure that devices don’t stray outside of those limits. As this implies, IoT devices need static IP addresses — even if they are handed out via DHCP — so plan accordingly for those subnets with a good quality DHCP server.
IoT devices that are home-oriented but have made their way into business environments (think Chromecast and smart TVs, for instance) present additional challenges for network routing and security. Any IoT device that isn’t standalone may require special gateways and engineering to avoid a security hole or performance-killing network connection.
At the same time, keep an eye on your IoT firewall logs. If there are suddenly new communication attempts going out, either the software has changed or someone has cracked into the device and is trying to get back to their command-and-control servers. Any “deny outbound” logs must be investigated.Managing Connections
IoT deployment is a nightmare, and every single device gets configured differently. Therefore, tasks like changing WPA2-PSK passwords on Wi-Fi networks will be met with a lot of resistance — you’ll be lucky to even get away with annual changes. In theory, IoT devices could use digital certificates or WPA2-Enterprise username/password pairs, but few devices do. IT managers should plan for a mostly WPA2-PSK world, and insist on good documentation for every device that connects so that passwords can be changed quickly when needed.
Because the WPA2-PSK password will inevitably get out, a second layer of authentication based on MAC address (and those static DHCP IP addresses mentioned above) is a good defense-in-depth strategy.
IoT devices promise smarter rooms, buildings and even appliances. But they come with a bad reputation for security and management, and IT managers need to work to ensure that adding IoT to their network doesn’t compromise physical or information security.
Samsung’s Knox Platform for Enterprise is a full security stack that can be leveraged to protect mobile devices in every ecosystem, from E-FOTA enrollment to an all-encompassing EMM protocol. See how the full suite is protecting mobile endpoints.
Last Updated on May 15, 2023
Apple watches are great devices. You can access heart rate information, notifications, and even estimated blood oxygen levels all from your wrist!
There are a variety of versions to choose from. The most recent Apple Watch is the series 7 model, which claims to have a larger display, better charging time, and more durability.
One of the best things about the watches is that they are pretty customizable, so you can choose your own Apple watch face and change them whenever you want – from both your iPhone and the watch itself.
This article will show you all the different ways you can change the watch face on your Apple Watch.
How To Change The Watch Face On Your Apple Watch
Switching to different watch faces from your Apple Watch is very simple.
Swipe Left Or Right
All you need to do is swipe left or right from each side, and you will see the different watch face options that you have previously added to the watch.
Swipe To Center
Once you have found the one you want to switch to, you don’t have to do anything else. Just swipe it to the center and that’ll be your new watch face!
How To Customize The Watch Face On Your Apple Watch
Another great thing about these little devices is that you can actually customize the watch face on the watch itself!
Once you have selected the face you would like, tap on it and select ‘Edit’. You will then be able to select an array of feature options. You can change the color or markings of certain faces.
You can do this by tapping to select a change, and then using the digital crown to change it. Once you are happy with the changes, press down on the digital crown and the changes will be saved.
How To Delete A Watch Face From Your Apple Watch
While knowing how to add and change watch faces from your Apple Watch is essential, knowing how to delete them is equally important.
Swipe Left And Right
As you would do to select a watch face, swipe left and right until you reach the face you would like to delete.
Simply swipe up, and you will see an option that says ‘Remove’. Tap this, and that selected watch face should be removed.
How To Add A Watch Face From Your iPhone
If making all these changes on the small face of your Apple Watch is a little too fiddly for your liking, then you can do them all directly from your iPhone!
Simply go to the Watch app on your phone, and go to the ‘Face Gallery’ that is located at the bottom. Here, you can search through the different watch faces that are available.
Once you have found the one you’d like to include in your collection, you can press ‘Add’.
You can also customize different watch faces from your iPhone. Once you have selected a watch face, you can choose from a variety of different colors, styles, and complications.
Once you are happy with your edits, tap on ‘Add’, and your new watch face will be added to your Apple Watch.
If you would like to remove a watch face using your iPhone, just select the face you want to get rid of, and at the bottom of the screen you should see an option that says ‘Remove’.
Tap on this, and the watch face will be removed from the collection.Final Thoughts
Apple watches are great – even better when just how you want them to be to match your own style – and as mentioned there are a variety of models to choose from.
If you are an iPhone user, having an Apple Watch will enable you to access a variety of features including fitness and health tracking. It will also give you the convenience of seeing messages, calls and notifications right on your wrist. All on a watch face which can reflect your own personality or practical needs.
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