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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What simulator is appropriate for modeling intrusion detection and prevention in large-scale static wireless sensor networks and simulated attacks?

When it comes to simulating intrusion detection and prevention in large-scale static WSNs, the choice of simulator is crucial. These networks, comprising stationary sensors (independent low-power ...
baxbear's user avatar
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2 votes
3 answers
72 views

HTTPS inside a LAN

I read this before posting. I hope my question is on-topic here. I'm working on an almost-IoT device that has a limited interaction with the Internet. Let's think about an "offline" product ...
Mark's user avatar
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2 votes
0 answers
39 views

AWS security certificates with Shelly smart plug

When creating a "Thing" in "IoT Core" AWS let me download 5 security related files: Device certificate: ???-certificate.pem.crt Public key file: ???-public.pem.key Private key ...
tipo1000's user avatar
0 votes
0 answers
7 views

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 ...
iamzaidsarwar_'s user avatar
1 vote
0 answers
20 views

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 ...
Xenetrix's user avatar
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0 votes
1 answer
39 views

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 "...
user2190492's user avatar
0 votes
1 answer
178 views

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 ...
offgrid8's user avatar
0 votes
1 answer
74 views

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 ...
Sybil's user avatar
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-1 votes
1 answer
52 views

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 ...
Sybil's user avatar
  • 111
2 votes
0 answers
142 views

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 ...
Sabreur's user avatar
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1 vote
0 answers
88 views

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, ...
code-8's user avatar
  • 111
2 votes
1 answer
95 views

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 ...
newbie programmerz's user avatar
3 votes
2 answers
132 views

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 ...
behroozbc's user avatar
  • 153
0 votes
1 answer
56 views

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 ?
behroozbc's user avatar
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0 answers
138 views

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 ...
robbie galfrin's user avatar
3 votes
1 answer
73 views

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 ...
Norbert Herbert's user avatar
2 votes
1 answer
333 views

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 ...
degr8sid's user avatar
-1 votes
1 answer
58 views

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, ...
Happydz's user avatar
1 vote
0 answers
28 views

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 ...
Anna Sam's user avatar
3 votes
3 answers
200 views

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 ...
user2190492's user avatar
0 votes
0 answers
39 views

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 ...
Not_Einstein's user avatar
3 votes
2 answers
172 views

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 ...
IgorAlves's user avatar
  • 141
1 vote
2 answers
335 views

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 ...
kleka's user avatar
  • 111
3 votes
1 answer
103 views

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 ...
Daniel's user avatar
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0 votes
1 answer
51 views

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 ...
DatsunBing's user avatar
4 votes
0 answers
275 views

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 ...
whakawaehere's user avatar
5 votes
1 answer
117 views

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 ...
Mark's user avatar
  • 665
4 votes
1 answer
127 views

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 ...
sob's user avatar
  • 2,600
2 votes
0 answers
2k views

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 ...
pirho's user avatar
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1 vote
0 answers
44 views

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 ...
Greg's user avatar
  • 111
1 vote
1 answer
219 views

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 ...
Rijo Varghese's user avatar
2 votes
1 answer
78 views

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 ...
Rijo Varghese's user avatar
1 vote
0 answers
128 views

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 ...
gigapico00's user avatar
5 votes
2 answers
111 views

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....
typo's user avatar
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0 votes
0 answers
42 views

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 ...
baxbear's user avatar
  • 121
3 votes
1 answer
108 views

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 ...
RealTimeEngineer91's user avatar
1 vote
1 answer
36 views

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 ...
Shan-Desai's user avatar
  • 1,498
1 vote
0 answers
46 views

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 ...
Sam's user avatar
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12 votes
4 answers
6k views

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 (...
jfkelley's user avatar
  • 121
2 votes
0 answers
79 views

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 ...
Nick's user avatar
  • 21
6 votes
2 answers
516 views

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 ...
Tuomas Talvitie's user avatar
4 votes
2 answers
227 views

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 ...
K_lash96's user avatar
2 votes
2 answers
58 views

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 ...
Jeff's user avatar
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6 votes
1 answer
68 views

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 ...
Przemek's user avatar
  • 61
3 votes
1 answer
91 views

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 ...
RedS's user avatar
  • 41
1 vote
1 answer
187 views

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 ...
Yatin Gaikwad's user avatar
2 votes
1 answer
182 views

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 (...
Yatin Gaikwad's user avatar
2 votes
0 answers
95 views

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 ...
Vasco's user avatar
  • 131
6 votes
1 answer
109 views

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 ...
user393856's user avatar
5 votes
0 answers
166 views

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 ...
Engineer999's user avatar