Big Data tools and technologies offer a lifeline for developers looking to unlock the transformative potential of IoT applications. These tools provide solutions to challenges such as managing data volume, ensuring quality and reliability, handling complexity, operating in distributed environments, and maintaining robust security. Apache Kafka, Apache Flink, Apache Spark Streaming, Apache Hadoop, Apache Knox, and Apache Ranger are some of the Big Data tools that can be used to build secure and reliable IoT applications.