Chalk is a threat campaign tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
Chalk is a threat campaign tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed July 26, 2026; most recent activity July 26, 2026.
GitHub and PyPI have introduced time-based mechanisms in their dependency management tools to mitigate supply-chain attacks. GitHub's Dependabot now includes a default 72-hour delay before proposing updates, allowing…
Chalk is a threat campaign tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
The most recent intelligence report mentioning Chalk on ThreatCluster is dated July 26, 2026.
Across ThreatCluster reporting, Chalk most frequently co-occurs with Supply Chain Attack, Debug, GhostAction, S1ngularity, Shai-hulud, among 8 tracked related entities.
The most significant recent cluster is “GitHub and PyPI Implement Time-Based Defenses Against Supply-Chain Attacks” (6 articles · Updated July 26, 2026). Chalk appears across 1 threat cluster in total, listed above with sources.
Chalk appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.