Russia is shifting from individual recruits to ‘professional’ networks to carry out a campaign of sabotage and other attacks across Europe , Poland's internal security service said in a report published Wednesday.

European officials and law enforcement have previously warned that Russia is waging a hybrid war against Europe, including sabotage, arson attacks, and vandalism, as well as influence operations. The Associated Press has tracked more than 150 such incidents linked to Moscow by Western officials since the invasion of Ukraine .

Many of the people involved were recruited online as disposable agents and some had no idea they were working for Moscow.…