The Hacking of Presidential Campaigns Begins, With the Usual Fog of Motives

For the third presidential election in a row, the foreign hacking of the campaigns has begun in earnest. But this time, it’s the Iranians, not the Russians, making the first significant move.

On Friday, Microsoft released a report declaring that a hacking group run by the intelligence unit of Iran’s Islamic Revolutionary Guard Corps had successfully breached the account of a “former senior adviser” to a presidential campaign. From that account, Microsoft said, the group sent fake email messages, known as “spear phishing,” to “a high-ranking official of a presidential...