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The Internet of Things (IoT), a term first used by Kevin Ashton in 1999, is the concept that devices that can connect to the internet communicate with each other to create a massive network.
This may well make our lives easier. A very simple example would be your fridge knowing when you are running low on milk, and sending that information to your phone’s shopping list app, so you’ll know to buy milk the next time you go shopping.
However, the problem here is that most people are unaware that there are many potential risks. For instance, if you have a digital camera that connects wirelessly to your computer, your computer is vulnerable to hackers through your camera. In other words, if your camera can be hacked, so can your computer.5 security measures for IoT devices
While this sounds a little scary, this does not mean that you need to take the drastic step of going around your house throwing away everything you own connected to the internet. Some simple steps will help keep you safe while enjoying all that the IoT offers.1. Everything connected is a computer
Think of everything you own that is connected to the internet as a computer. You would not connect your computer to the internet without making sure that it had all the most recent updates and software installed to protect it from threats. You must think of your devices in the same way.2. Do your homework about devices
I think it is reasonably safe to say that most of the time, we buy something because we like it and it’s cool, not because it is safe. Unfortunately, that is an attitude we all need to change.
If you want the latest handheld game, phone, or printer, google the name of the product plus vulnerabilities, security issues, or something like that. You will find out pretty quickly if the device you want is worth buying or not.3. Check the devices app
This is a really easy one to do and requires no effort at all. Download the app on to your PC, and sign up for it. Use a common password and see what happens. If the app lets you sign up with a ridiculous password, then it says something about what the company thinks about your security. Here are a few of the most common passwords:
Check to see when the last update or patch was released, and the couple before that. Your device may not need to have its software updated as regularly as Windows 10, but that doesn’t mean that it doesn’t need patches at all.
By the way, there is no hard and fast rule about updates (I just looked). However, there is a rule, or at least a strong guideline, that it is best not to skip updates. While it’s fair to say that updates have become increasingly more frequent (and annoying?), skipping updates puts your device at risk.5. Erasing your personal data
Many people are more than happy to sell their devices or gadgets when they want to replace them. The problem is that we often don’t know how easy it is to erase our personal data, or even if we can permanently erase our data.
Of course, if you are like me and have a huge drawer full of every device you have bought since the 80s, you probably don’t need to bother with this.Wrapping the Internet of Things up
Devices that cannot have their software, passwords, or firmware updated should never be implemented.
Changing the default username and password is recommended for the installation of any device on the internet.
Passwords for IoT devices should be unique per device, especially when they are connected to the internet.
Always patch IoT devices with the latest software and firmware to mitigate vulnerabilities.
If you are considering buying a new device, make sure it, or the company behind it, does those four points, or don’t even consider it. Remember that companies will never measure up to the standards set for them, and that you are ultimately responsible for your own safety online.
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Today, phones are personal assistants. People use them to play, work, entertain themselves, and everything in between. These devices carry so much personal information, including your personality, work, relationships, and bank accounts. Hackers can have data on most aspects of your life if such information ever leaks.Top 5 Tips for Keeping Hackers Away
Hackers may access your device through various methods, including stealing the gadget, phishing, or installing malicious software. You can protect yourself from these vulnerabilities using various tools and best practices. Here are some of them.Always Use Official App Stores and Owner Sources When Installing Apps
The official app stores for iOS and Android devices are the App Store and Google Play. These app stores have implemented various safeguards to prevent malicious programs from listing on their databases. Therefore, all these dangerous applications don’t appear on these platforms’ official stores. Download apps from these platforms if possible.
Some apps are not on the official app stores due to restrictions. Check these out on the official websites of the companies offering them. Avoid downloading apps from third-party hosting sites and forums. Malicious apps may collect your data, steal credit card information, and send the data to unauthorized third parties. You can avoid these risks by downloading from the two locations above.Combine Several Forms of Protection
Smartphones come with several inbuilt security features, many of which can work together to great effect. Consider having more than a single layer of security. Start by setting a basic security feature, such as a pattern or PIN number. When setting up your pin or password, avoid using your birthday, ID number, or real name. Hackers may have these details and try them to gain access to your device.
Additionally, avoid using the default codes such as 1234, 1111, and 0000. Phone manufacturers use these codes to ease new players into their devices. Unfortunately, many use them long after buying their gadgets, exposing them to security issues. A second layer of security can be a biometric system, such as face and iris recognition, fingerprint capture, and voice scanning. When combined with other security measures, it will be hard for hackers to access your device even if they know your PIN.Protect Your Banking and Credit Card Data
Hackers will search your credit card and banking data when accessing your device. Protecting this data from access is paramount by whatever means possible.
If you can, store your bank and credit card PINs elsewhere. If it is not possible, look for a secure app or password manager where you can keep the information. This step ensures the data is out of reach even if someone accesses your phone.Limit the Information You Share Online
Sometimes, the information you divulge online gives hackers a field day. Most unsuspecting victims just give their data to criminals without knowing it. A criminal may ask for information through a few crafty tricks. For example, a retail cashier can ask for your location and other details to feed to their systems, or you may join a group where administrators want to know more about you. Some cybercriminals send phishing emails or unsolicited communications.
As a rule of thumb, do not give personal information if you do not believe the service needs the details. When filling out personal data on online forms or surveys, avoid giving more information in the optional spaces since the service provider can do without it. For instance, chúng tôi has an app with surveys for teens that only asks for the necessary information, protecting the privacy of teen participants in the process.
Likewise, remember to ignore unsolicited emails that threaten you with account closures or have a sense of urgency in their requests for personal information. You may also want to disable the autofill feature and instead fill out the required information on the websites you join.Use a VPN When on a Public Wi-Fi
Many businesses offer free Wi-Fi to their customers. You will find it in entertainment joints, airports, eateries, and retail stores. Unfortunately, such Wi-Fi services do not have security features to make it easy for anyone to access them. Anyone who wishes to tap into the information can see that data moving in the network.
Consider using a VPN when accessing the internet on a public hotspot. A VPN masks your connection and encrypts your data, making it hard for hackers to tap into it and determine its location. You can use your cards and log in securely on public Wi-Fi with a VPN.The Takeaway
Your phone carries so much personal data that keeping it secure is of utmost priority. Use its inbuilt security features as the first line of defense. Then, limit the number of people who can access the device or your data.
Thankfully, you can mitigate some of the risks by adopting the standard best practices set forth by blockchain developers and security professionals. True, scams can’t all be avoided all the time. Still, by taking the necessary (albeit sometimes arduous) steps to protect software wallets, the NFT community could likely mitigate a large portion of the plentiful and popular grifts. Here’s how.Safekeep your seed phrase
The most obvious way to keep your crypto and NFTs safe is by taking the proper precautions when it comes to your wallet’s seed phrase. For those unfamiliar, a seed phrase is a collection of randomly generated words that represent the private keys associated with a software wallet and are presented to a user when they first create a wallet. This private key acts as a failsafe that enables the contents of a crypto wallet to be restored in the uncommon event a user gets locked out of their wallet or finds it necessary to import their wallet into a new device.
You should never type out your wallet’s seed phrase. Ditch any thoughts of sending it to yourself via email or saving it in a Google Doc or other note app on your computer or phone. Only record your unique private key on paper and store it in a secure place in your home. Some even go so far as to engrave their seed phrase onto a metal plate and store it in a safe deposit box.Use a hardware wallet or delegate a wallet
While it may be tempting to keep all of your assets in one or two software wallets for easy access and quick tradability, utilizing a hardware wallet to secure your grails and major scores of crypto could save you from a world of hurt. A hardware-based wallet, like a Ledger or Trezor, stores users’ private keys offline on the device of origin’s secure microprocessors. Considering a computer or other device can become compromised by malware, key loggers, screen capture devices, and more, utilizing a hardware wallet from the get-go is a reliable way to keep your NFTs safe.
While some endeavor to keep a few online-enabled software wallets (hot wallets) for active trading while keeping other assets secured in an offline hardware wallet (cold wallet), even this system can become compromised. Just as we recently witnessed with recent hacks of prominent Web3 figures like Rose, Nikhil Gopalani, CryptoNovo, and more, the simple act of signing a transaction with a high-value wallet can lead to loss. To mitigate risk even further, users might consider using a burner wallet — a wallet with no holdings or site connections only used to transact — or delegating a wallet to transact in place of an active one.
To do so, collectors can use services like Delegate Cash. With Delegate Cash, users can create and assign a fresh new MetaMask hot wallet as a delegate for a cold wallet where valuable NFTs are kept. In doing so, users can claim airdrops, confirm ownership of, or otherwise utilize an NFT without keeping it in an active wallet. We recently saw this method used to great effect when pseudonymous collector tropoFarmer offered up his Sewer Pass for others to play Dookey Dash via a delegated wallet.Triple-check handles, URLs, and signatures
For the most part, scams will entice users into forking over their crypto or NFTs by asking them to enter a seed phrase (again, something that you should never even consider doing) or by signing a malicious transaction. As the latter was what compromised Rose, ensure that you check every URL you intend to interact with and the URL source to be extra cautious. It’s incredibly easy for scammers to create fake links and browser-based popups that look and behave identically to MetaMasks.
Yet, even if you aren’t coerced into a scam site or fake wallet app, blindly signing a transaction can leave you vulnerable to compromise. Hackers are undoubtedly counting on users to do just this. Considering the incredible amount of signatures and transactions presented to collectors on a weekly basis, it can be easy to glaze over the details when signing speed-defining minting transactions. To air on the side of caution, always take a good look at what you are signing and what contracts you are allowing your wallet to interact with.
8/ If your TX asks you to sign a message like 0x6fe64a…..87, you are signing a transaction that could be malicious, verify the source website and that you are indeed signing something you want to sign. chúng tôi chúng tôi (@richerd) February 2, 2023What to do if you get hacked
If all fails and you do end up on the receiving end of malicious intent, your next actions will depend on the nature of the hack or scam you were subjected to. If you interacted with a fake mint or claim and signed a transaction… then tough luck. Once your crypto or NFTs leave your possession, there’s little you can do about it. Because of this, it’s essential to understand the security failures of others to prevent a hack from happening in the first place.
I see a handful of folks purchased my stolen NFTs, if you have interest in selling them back to me, please DM!
— KΞVIN R◎SE (,🦉) (@kevinrose) January 29, 2023
While marketplace security teams might be able to help you in some cases, especially if they are at fault, the responsibility almost always lies with the user. To better equip yourself to keep your assets secure, get educated. Read about common scams, learn how to identify red flags, and above all else, implement the safety measures outlined in this guide or otherwise set forth by trusted members of the NFT community ASAP.
Introduction to IoT Hardware
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Hadoop, Data Science, Statistics & othersIoT Hardware Devices
The building blocks of an IoT device are remarkably similar, whether undertaking projects related to a wearable device, an integrated lighting system, or even a jet engine. Wireless sensor node consists of three major hardware components: sensors, microcontrollers, and communication medium.1. Sensors
Sensors are the most critical hardware in IoT applications and gather information from the surroundings. These systems comprise power management, RF, energy, and sensing modules. An RF module manages Wi-Fi, Bluetooth, transceiver, BAW, and duplexer communication.2. Microcontrollers
A microcontroller is a device in a single integrated circuit that executes a single task and runs an application. This contains programmable peripherals for a programmable memory unit and a CPU. Microcontrollers are designed primarily for embedded applications and are widely used in remotely operated electronic devices such as mobile phones, washing machines, microwaves, and cameras.3. Other IoT hardware IoT Hardware Providers
In today’s market, many IoT hardware providers can provide the required hardware based on the project requirement. Let’s take a quick overview of a few of the hardware providers.
Adafruit offers DIY electronic hacking courses online and provides a space to learn. ‘Adafruit Feather’ is a production line of boards designed for fly prototyping. This production line includes a wide catalog of accessories that speed up IoT application development.
Arduino is the omnipresent name in the space for electronic development. The company offers a range of open-source development kits, billing software, and microcontrollers.
Espressif is well known for its low energy-consuming IoT hardware applications for Wi-Fi and Bluetooth. Espressif is popular for its processors, modules, and production boards series ESP826. Most industry-wide development boards are working on the Espressif chipset.IoT Applications
All IoT apps have certain commonalities or ‘building blocks’ irrespective of the request. Things, Data Acquisition Module, Data processing module, and communication module comprise the IoT application’s building blocks.1. Thing
Many IoT products fully integrate The “thing” into the smart device. Think about things such as a smart water pump or an autonomous vehicle. These products can Self-control and manage themselves. In other applications, “thing” stands alone as a “stagnant” device; a different product is connected to make it a smart device. This is very popular in industrial applications where companies have existing products, and by linking them to the Internet, they want to make them “smart.” jet engines, turbines, conveyor belts, etc., are some examples.2. Data Acquisition 3. Data Processing
The third essential component of IoT hardware is the data processing module. This unit performs a series of operations on the data, performs spatial analysis, internal data storage, and performs any other edge computing operations. To have a deep discussion about this system with the engineering team, one doesn’t require any expertise in computer architecture. Your job should be to consider the product’s overarching goal and ask the right questions to direct your team in making the right decisions. The local storage requirement can be decided depending on your data retention policy. If your product is designed for offline operations, connection running time and local storage space must be predefined.4. Communication
The communication module is the last but essential part of the device’s hardware. This unit allows communication between devices and storage locally or in the cloud space. This module can include, to name a few, communication ports like USB, Modbus, or Ethernet/IP. It may further consist of wireless communication radio technology such as Wireless fidelity.Conclusion
In this article, we have looked at different building blocks of IoT devices. The hardware component is the most important part of the IoT application, enabling things to communicate with the Internet. We have evaluated a few IoT hardware providers in today’s market and evaluated them individually.Recommended Articles
This is a guide to IoT Hardware. Here we discuss the introduction, IoT hardware devices and providers, and IoT applications. You can also go through our suggested articles to learn more –
If you’re an iPhone, iPad or Mac user, your iCloud password is the key to your digital realm. With your iCloud password, you can access such personal data as your iCloud mail messages, your calendar, your contacts, and your stored iCloud credit cards. Your iCloud password could even be used to track, lock and wipe your precious devices.
Let’s start with the easiest—and most important—way to protect your iCloud password, which is…Change your password (and don’t use the same one twice)
Yes, I heard that groan, and I feel your pain. I just changed my own iCloud password recently (and after far too long), and it meant logging back into iCloud on a bunch of my devices, including my iMac, my iPhone, my iPad, my Apple TV, and my third-party email clients.
Ben Patterson / IDG
Changing your iCloud password may be a royal pain, but it’s the best way to protect your account from hackers.
Not only do you need to change your password, you also need to create a “strong” password—that is, a password that’s at least 12 characters long (the longer the better, actually), with a random combination of letters, numbers and symbols.
To make matters even more complicated, your iCloud password should be unique, as should be the passwords for all your other Internet accounts. (If all that sounds too difficult to keep track of, consider investing in a password manager. Trust me, they’re life savers.)
Changing your iCloud password may be annoying, but it’s the best way to foil hackers, particularly those who steal passwords from one service and use the same passwords to break into others—and indeed, that’s what Apple says happened in the recent case of a hacker group that claimed to have stolen millions of iCloud passwords.Turn on two-factor authentication
Was that another groan I heard? Again, I understand. While two-factor authentication means another layer of protection for your iCloud account, it also means another layer of hassle for you.
Ben Patterson / IDG
Most hackers will look for an easier victim once they see you’ve protected your iCloud account with two-factor authentication.
The code will arrive on one of your “trusted” devices (more on that in a moment), along with a notification showing you where the login attempt took place. If you recognize the location, go ahead and tap Continue to get the six-digit code—or, if it looks like someone is trying to break into your iCloud account, you can block the login attempt.Add more “trusted” phone numbers
When you first enable two-factor authentication for your iCloud account, you’ll be asked to enter a “trusted” number where you’ll receive your verification mode.
Ben Patterson / IDG
Make sure to add one or more additional “trusted” phone numbers to your iCloud account in case you lose access to your primary number.
While one such trusted number is enough, you can also enter more phone numbers—such as, say, your landline number, your office number, or the digits of a friend or loved one. That way, if you lose or otherwise don’t have access to your primary phone, you’ll have other ways to get a verification code for your iCloud account.Keep an eye on devices signed in to your iCloud account
As you log into your iCloud account from your various Apple products, each device is added a list of “trusted” devices, some of which (namely those running iOS 10 or macOS Sierra) are capable of receiving iCloud verification codes.
Ben Patterson / IDG
See a device you don’t recognize? Tap it to sign it out of your iCloud account.
It’s a good idea to take an occasional gander at the list of devices signed in to your iCloud account—and if you see any devices you don’t recognize, you should go ahead and sign them out.
1] Make sure your Windows computer is free of malware. No amount of security in WordPress or on your web server will make any difference if there is an illegal keylogger installed on your computer.
2] Always make sure that you have the latest version of WordPress and your Plugins installed. Your web server can have vulnerabilities too. Therefore, make sure that your Web Host is running latest, secure, stable versions of server software on it. Better still, make sure you are using a trusted host that takes care of these things for you.
3] Use a strong username and a strong passwords. Best to go for mixed complex passwords using upper, lower case alphabets, numerals and special characters of length exceeding 15 characters. Enforce usage of strong passwords for all your Authors too.
4] Change the Administrator username of your WordPress installation from the default admin to something strong and unrelated to your own or sites name. You can create another administrator account, login as new administrator user and delete the old default admin username account. Or you could use Admin username changer or Admin renamer extended plugin or one of the security plugins mentioned below to rename the default admin username.
5] Use a Captcha for login purposes.
The Captcha plugin from BWS is a good one you may want to have a look at. It lets you choose the operations and the complexity levels.
6] The Limit Login Attempts plugin will limit the rate of login attempts, by way of cookies, for each IP. It will allow only the configured number of attempts after which the user will get locked out. You can configure all its settings like the number of attempts allowed, lockout period, allowed re-tries and so on. This plugin is useful in preventing brute force attacks.
If a user uses an incorrect username or password, he or she will see this message.
7] Change the WordPress Panel login URL from default /wp-admin/ to something else using Rename wp-login plugin. This plugin is useful in preventing brute force attacks too.
8] Use a Security Scanner plugin to scan your WordPress installation files periodically. The Sucuri Security – SiteCheck Malware Scanner plugin enables you to scan your WordPress site using Sucuri SiteCheck right in your WordPress dashboard. It checks for malware, spam, blacklisting, .htaccess redirects, hidden eval code, and other security issues.
Sucuri also checks if your site has been black-listed anywhere like Google Safe Browsing, Norton Safe Web, Phish Tank, SiteAdvisor, Eset, Yandex, etc and informs you about it.
Apart from Sucuri, Secure WordPress plugin, Exploit Scanner, WordFence Security, WordPress Sentinel, Quttera, VIP Scanner, iThemes Security (formerly Better WP Security), BulletProof Security and All In One WP Security & Firewall are among the other good scanners and security plugins you may want to have a look at. Most of these plugins, apart from scanning your site for malware, will also help you Harden File Permissions, delete ReadMe files, hide WordPress versions, and more.
9] Minimize the number of plugins you use. Deactivate or even better, delete the ones you don’t use.
10] Keep creating backups of your site at regular intervals, and upload them to some Cloud service and/or to your desktop. BackWPUp, VaultPress, BackupBuddy, DropBox for WordPress, BackUpWordPress are among the good Backup plugins you may want to check out.
While this may be enough for most WordPress sites, if you need to go further, you could read this post on WordPress.org.
Read: Why are websites hacked?
Some of you might want to check out my post on Useful tips for new bloggers.
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