How to recognisea letter bomb?

Receive our poster with suspicious characteristics of a letter bomb, a bullet letter or a powder letter for free! With the right information, you recognize 95% of the letters bomb as suspicious.

Be prepared.

Many letter bombs and threatening letters are sent out every year. And every time, such an incident has a huge impact on the business operations and (the feeling of) safety of your employees. And this while the knowledge and experience is amply available to eliminate the vast majority of incidents early.
We developed policy and training and collected suspicious characteristics of bomb letters more than 20 years ago. In 2003 we even foiled an attack on Eurojust.

Do you find the characteristics?

There is no return address on the parcel or the address is incorrect or unknown. No, incorrect or unknown return address Excessive postage might indicate an anxious letter bomber wanting to ensure that the package goes through the mail without delay or difficulty. Excessive postage Some explosives leave greasy (black) marks on paper or may sweat, a sure clue to a letter bomb! It may also mean that the explosive is old and unstable and therefore very dangerous. The envelope may also have signs of more than usual handling. Grease marks, oily stains or discoloration Misspellings can be an indication that a criminal is insufficiently familiar with the spelling, the address he uses or the return address. Misspelling of common words Letter bombs sometimes have holes, through which a split or other safety device has been pulled out with a wire. Holes in the envelope An envelope taped all around, rather than just the flap, may contain a mechanism to explode the letter when opened. Packages or letters that have been excessively sealed should be considered suspicious. Suspicious packaging “Confidential”, “Personal” or other restrictive markings might indicate a letter bomber trying to ensure that only a targeted individual opens the package. Restrictive markings Any mail should be treated with caution if it features a foreign style of writing not normally received. This should be considered in relation to the postmark. Handwritten addresses Typed addresses may lack the professional touch of a secretary or a person who types every day. Poorly typed addresses

Do you find the characteristics?

Recent Posts

  • Holes in the envelope

    Holes in the envelope

    Letter bombs sometimes have holes, through which a split or other safety device has been pulled out with a wire.
  • Excessive postage

    Excessive postage

    Excessive postage might indicate an anxious letter bomber wanting to ensure that the package goes through the mail without delay or difficulty .
  • No, incorrect or unknown return address

    No, incorrect or unknown return address

    There is no return address on the parcel or the address is incorrect or unknown.

Letterbomb incidents

Overview of Dutch bomb letters in 2020

Overview of Dutch bomb letters in 2020

At the beginning of this year, even before the corona crisis, the Netherlands was in the grip of bomb letters. Several bomb letters were delivered to various companies in the Netherlands. Here an overview…

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Safety before everything.

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With all the suspicious signs of letter bombs.

Rob van Dijk | Safety & security expert

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Our services

For many companies and institutions, Cocoon risk management is already an consultant in the field of risk management and terror-related risks. We have extensive experience and even joined forces with partners and other specialists specifically for this subject.

We are happy to help you with research, advice, training and exercises.

More about our services

Pen Testing

A poster, a training and a good policy are of course very important to limit the effect of a bomb letter, bomb package or bomb threat. However, such situations are not so common that employees remain permanently alert and gain experience through practical situations.

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Training

It is quite difficult to recognize a bomb letter, powder letter or bomb package as such. The poster that we make available free of charge can help enormously.

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Policy advice

A bomb letter or powder letter, or even its threat, can have a huge impact on business continuity or the integrity of your organization. But it can also have a huge impact on your employees or visitors.

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Information on letter bombs

A letter bomb is an improvised explosive device (IED) that looks like a normal package or letter. Such a threatening letter can also contain a bullet, a biological or chemical substance, radiation or a cyber bomb
Letter bomb attacks are intended to kill, injure or intimidate addressees. Sending a letter bomb is a form of terrorism. A cyber bomb is an exception, it is intended to hack the company from the inside.

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