diff --git a/README.md b/README.md
index 35ba42b..c0923a5 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,7 @@
 - [Reflecting upon OWASP TOP-10 IoT Vulnerabilities](https://embedi.org/blog/reflecting-upon-owasp-top-10-iot-vulnerabilities/)
 - [OWASP IoT Top 10 2018 Mapping Project](https://scriptingxss.gitbook.io/owasp-iot-top-10-mapping-project/)
 - [Firmware Pentest Guide](https://scriptingxss.gitbook.io/firmware-security-testing-methodology/)
+- [Hardware toolkits for IoT security analysis](https://defcon-nn.ru/0x0B/Hardware%20toolkits%20for%20IoT%20security%20analysis.pdf)
 
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 ### ***IoT Gateway Software***