![Government Information Security Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/028/986/small/government-information-security-podcast.png)
Summary: Defenders have made strides in disrupting ransomware, but assessing the effectiveness of countermeasures is tough due to a scarcity of information, says cybersecurity veteran Jen Ellis. "We know what the tip of the iceberg looks like, but we don't know what percentage of that iceberg we can see."