While many experts say the Islamic State group in Iraq and Syria is on the decline, you wouldn’t know it from the organization’s public narrative.

ISIS aggressively promotes the attacks it directs, supports or inspires. The extremist group recently took credit for attacks in Orlando and Brussels, reinforcing its image of being an unstoppable and legitimate network. And it has built that image through a troublingly savvy combination of traditional and new media.

ISIS’ propaganda engine yields four key marketing insights that highlight why the group’s messaging is so resilient. Check out my latest take in Yahoo! Finance breaking down ISIS’s propaganda strategy and identifying insights useful for any modern day marketing campaign.

The piece, titled “Here are the disturbing reasons ISIS marketing is so effective,” was published at Yahoo! Finance on August 27th.

The article was later re-published in the September 8th edition of the Quantico Sentry newspaper at Marine Corps Base Quantico. The Quantico Sentry is a base newspaper that serves Marines in Quantico Va. It is not for profit government publication.