Questions tagged [security]
For questions relating to the security of IoT devices (especially those connected directly to the internet) and how to mitigate these issues or avoid them altogether. Do not confuse this with device safety (If it gets hacked it's a security question, if it explodes it's a safety question).
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Verification of CMAC
How to Verify CMAC in install for install command in javacard..
I used the process given below but this method not able to verify
Key = Session Key for CMAC,
IV = CMAC which is given in external ...
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Magnetic sensor NAS-DS01W0 (security concern about my network)
I am writing because I am a little unsure about a device I have just purchased and installed in my home network. I have bought a magnetic sensor to detect if a door is opened and closed. The model is ...
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How can this PV-monitoring system communicate bidirectional
I've got a solar panel system with a Growatt inverter.
The system has a monitoring platform. To connect the inverter to the internet to let it communicate with the monitoring portal, you need a "...
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Mqtt in production
I am using Mqtt to build a project. I am wanting to move my whole work to prod ready.
My hardware is ESP-07 and custom PCB design the broker is mosquitto the app (Nodejs,react native)
I implemented ...
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How can I disable voice commands (Google Assistant and Amazon Alexa) on iRobot?
I have 2x iRobot (vacuum cleaner and mop) and use their proprietary app, but block internet access for both iRobots on OpenWrt firewall.
Now I want to disable voice commands (Google Assistant and ...
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Notifications for LG WebOS updates and security fixes (e.g. a mailing list)
I have a LG WebOS TV (2021) which has no connection to the internet. Every few months I activate the internet connection in the firewall (OpenWrt) and check if updates are available. A somewhat manual ...
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PTZ Security Camera Stuck in a Tour
I have an outdoor PTZ Dome Camera of unknown manufacturer but it has a type number sticker saying, NG4RT-42718. It came with CMS V3.1.0.8 software. This seemed to drive the camera adequately until I ...
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How to play specific sound to speaker when motions detected at specific time?
If motion 1,2,3 detected at midnight, I would like to play this sound to my deck speaker and flash my smart bulb red (on repeat).
What is the basic way to achieve this?
Tools:
Samsung SmartThings hub, ...
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Certificate Management for IOT devices
What is the best practice for certificate management on an IOT device (bare metal microcontroller with GSM modem that communicates to a secured MQTT broker)?
Looking at Let's Encrypt certbot, they ...
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How secure connection between modem and microchip
My board has a separate Quectel MC66 modem and STM32 microchip. The communication between modem and microchip is AT Commands.
If a hacker connected a wire between modem and microchip, he could have ...
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Can traffic spy see username and password of MQTT client
Can Traffic spy see the username and password of client send to broker when broker don't use TLS ?
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Block GSM communication of a cellular modem with AT commands
I have a cellular modem that supports GSM, 3G and LTE.
I want for security reasons to block/disable GSM support, meaning that it will not be able to connect to any GSM BTS.
Partial solutions I came up ...
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LoRaWAN end-to-end security with Over The Air Activation
We are planning to connect several thousands of door opening and other home security sensors to a public LoRaWAN network country-wide, but our concern is, that in theory our public LoRaWAN network ...
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How can I identify what kind of IoT device is in my network?
I am trying to build a system in which IoT devices can connect and are classified without the need for manual checks by the system administrator. In this system, IoT devices will send data, and on the ...
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How to fix this problem "connection to this site is not secure"? [closed]
I tried to access this website http://www.oaic.dz:9001/forms/frmservlet many times, but it denied me accessing (only white page) as it shows in the attached file (screenshot)
I tried installing Java, ...
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IoT Malware and Botnets
According to Wikipedia, A botnet is a logical collection of Internet-connected devices such as computers, smartphones or Internet of things (IoT) devices whose security have been breached and control ...
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Are there Arduino boards that can be used as a small web server, supporting HTTPS?
I would like to control a relay from over the internet.
I was thinking of making this using an Arduino and some wifi/ethernet shield. Searching the internet, I see a lot of shields and modules that ...
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Security concerns
I'm not very versed in WiFi technology and jargon, so please keep this simple. Suppose you have an item that you don't want to give access to your main WiFi network, for security reasons. Suppose ...
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How can I make a topic/action to be allowed only to authorized users?
This is the scenario: I have a machine connected to a MQTT AWS-IoT Core broker. This machine is authorized with the AWS certificates to publish in the topic P/serialnb/deleterecords/record_id. This ...
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How to authenticate a device in the IoT platform?
I am building an IoT platform that should receive data from a Raspberry Pi over a REST API. Assuming the platform could in the future be used to manage multiple devices of multiple users, my question ...
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Bare minimum infrastructure to keep a fleet of IoT devices running and ensure updates to OS and applications?
The number of currently available tools to run and maintain a fleet of IoT devices is staggering. To compare all is not feasible, however a list of the bare minimum required features to look for would ...
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Can I disable read access to an SD card by removing the read wire? [closed]
I want an internet connected host, such as a Raspberry Pi, to be able to write uploaded files to a directly-connected SD card, but I don't want it to be able to read the card. This is for protection ...
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Monitor Eufy Homebase from iPhone Apple Home?
I have a Eufy Homebase 2 with 6 EufyCam 2C and a wired doorbell connected. The Homebase is setup as a “room” in Apple HomeKit. The Homebase is Ethernet connected to Xfinity new router, with wifi ...
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Do I need different certificates for every thing?
I'm learning AWS and I created a new thing with the required certificates to access it via MQTT:
root-CA.crt
.private.key
.cert.pem
If I'm not wrong the root-CA.crt file will be the same for all the ...
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Smart Locks with Alert feature
Are there any smart lock products that are capable of sending out alerts:
Alert via text/email when lock is opened with code
Alerts when lock is forcefully opened
Alerts when lock becomes unreachable ...
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How to have a Nedis smart device to connect to WiFi network without app and registering?
I have a Nedis WIFIHTPL20FWT Smart conversion heater. It seems that I need to register to Nedis cloud service and only then using Nedis SmartLife App this device could be connected to my local WLAN.
I ...
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Guidance for a data logger and radio
I've currently been working with a consultant, whom recommended we utilize an architecture that is based off the Microchip ATMELAVR 8 bit Arduino framework. The board is called a Mayfly, picture ...
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Prevent a remote MQTT client from connecting to a broker
I am a newbie to MQTT, I was wondering how could one prevent a client who is not running in the same processor, where the broker is also running, to connect with the broker. In other way, restricting ...
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MQTT Client Broker communication - can a malicious client masquerade as a legitimate one after being connected with credentials
I would like to ask a question that I have about MQTT client broker communication. Let's say, a client C1 is connected to the broker with user name and password (with no encryption).
What happens when ...
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OOB pairing without NFC
I'm building a medical device with NFC capability. This medical device can be connected to a mobile phone/tablet over Bluetooth and operated by an App.
During the pairing process, the App asks the ...
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Testing security of IoT devices
Searching the archives for "fuzz" and "pentest" only results in 2-3 relevant threads on this topic and they are all from 2016/2017.
I would really like to subject my IoT devices (e....
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What does the abbreviation "SPINS" for the security protocol for WSN mean?
Since the protocol SPINS is as far as I understand it commonly spread I would like what exactly the abbreviation means in the paper "SPINS: Security Protocols for Sensor Networks" by Perrig et al. he ...
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Creating a secure MQTT session with TLS while employing smartphone gateway
My IoT device creates a BLE connection with a smartphone from which it connects to cloud. When integrating a TLS, should it be above MQTT or below? All implementation I have reviewed so far does it ...
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Tools to generate Access Tokens for Devices without the use of platforms
According to the present IoT landscape the Users of the data can either use the following interfaces to access IoT information:
Web Apps
Smart Phone Apps
However with the user of new technologies as ...
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High level architecture for cloud/iot solution with multiple customers/users
We're at the early planning stage for a new cloud IOT solution and i'm looking for some guidance or direction for the high level architecture for our use case:
Assume we sell 10,000 edge devices to ...
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Are There Energy Monitoring Smart Plugs That Don't Compromise my Privacy/Security?
It seems like every Smart Plug I see on Amazon (including well-reviewed ones) require me to sign up, giving a lot of device, location, and personal information to a company I don't know or trust (...
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Secure External Network Control of a MQTT Server on a Raspberry Pi
I'm trying to build a home automation system using MQTT. I'm using a Raspberry Pi as the broker. Everything works great as far as controlling it when connected to the same network. But I want to have ...
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Encrypting sensor data on Raspberry Pi?
I am sending sensor data between two Raspberry Pis via lora. I am using two Lora Radios and NOT using a LoraWan network like The Things Network. How should I encrypt my data? Are there any open source ...
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OS for Orange Pi zero plus
I bought an orange pi zero plus and want to make a wifi access point that passes all traffic of the connected devices through tor.
Simply I wanted a dev board that has gigabit ethernet and wifi for ...
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Are nodes that are mobile in a IoT network more vulnerable to certain types of attacks?
I have my final year dissertation coming up and I'm thinking of doing a project where I evaluate attacks on an IoT network using Contiki/Cooja simulator. The project as it stands is too simple and has ...
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Securing first connection of non provisioned IoT device
Assumptions
The IoT Device is actually a software installable on supported operating system, e.g. Windows or Linux. Lets named it Software-Device.
The Software-Device is available to download by ...
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IoT <-> Cloud communication method
I am struggling with creation of multiple IoT devices (NanoPi like) which will be controlled via cloud server. I wish to use MQTT as I see this is the best method for small footprint. I know MQTT has ...
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How enrollment list in Azure IoT Hub Device Provisioning Service isolate tenant specific configuration?
Some documentation and videos regarding Device Provisioning Service (DPS) says it can handle multitenancy but, it seem there is a confusion about how one tenant's configuration/data is isolated from ...
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Should there be one device provisioning service for one IoT hub if it is associated with one tenant?
I have a multi-tenancy situation where I have created one IoT hub per tenant.
Now if I have 5 tenants, and I create 5 Iot hub, should I also create 5 device provisioning service for those 5 IoT hubs (...
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What is the most safe and easy way to send a command to a remote Raspberry Pi? [closed]
I would like to send a command with some predetermined number of arguments to a Raspberry Pi and get the output back from it. I was thinking of using restricted ssh key but was wondering if that is ...
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Why does LoRaWAN 1.1 use MAC-then-encrypt for Join-Accept messages?
In the LoRaWAN 1.1. standard it says on Page 16 "For Join-Accept frame, the MIC field is encrypted with the payload and is not a separate field".
In other scenarios the message integrity code is a ...
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Provisioning "things" on AWS IoT without certificates confusion
I am new to AWS IoT. I wish to use AWS IoT's feature called JITP (Just In Time Provisioning) to provision my gateways automatically. I am using BeagleBone boards as device gateways.
I followed the ...
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Privacy with Voice Assistants
I am interested in getting a Smart Home system with a good voice assistant, but my wife refuses to allow a voice assistant like Google Home or Amazon Alexa because she does not want ANY recordings ...
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Rogue Start-Up of Robot sweeper
I have an Xiaomi Mi robot sweeper and at 7:00:40pm each day it is being started up
by a rogue internet message. I saved the active IP table from the DD-WRT router
firmware immediately before and ...
jerryt
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Entropy depletion in /dev/random on Beaglebone
I have a Beagleblone Black with an ARMv7 SoC. /proc/cpuinfo says the hardware is Generic AM33XX. It is running Debian and the 4.1.15-ti-rt-r40 kernel.
I run a lot of stress tests as part of my ...
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