When Russia invaded Ukraine a year ago, many security experts braced for an unprecedented escalation in cyberwarfare in addition to the physical assault. For years before the large-scale invasion, Ukraine was hit by massive cyberattacks that disrupted financial systems, transportation, energy and politics — disruptions that were expected to only intensify. But things haven’t exactly played out that way, according to Adam Meyers, chief of intelligence at the cybersecurity firm CrowdStrike.