"The AIVD finds that so-called countries of concern have persisted in 2005 in their attempts to get information and means for the deployment of weapons of mass destruction," the intelligence services said.
According to AIVD chief Sybrand van Hulst, quoted by the Dutch ANP news agency, Iranian regime tried last year to secretly get information on weapons of mass destruction in the Netherlands.
"We have seen some activities in that sense," Van Hulst said.