A safety device for securing an individual to a concrete element of a structure during construction work, wherein said concrete element is of the type comprising a concrete body having one or more lifting pins embedded in respective lifting pin holes in said body; wherein said safety device in the orientation intended during use comprises: - an anchoring element; and - a top element; wherein said anchoring element comprises engagement means configured to releasably engage with the head of a lifting pin of the type comprising a longitudinal stem and a head arranged at an upper end of said stem, said head of said lifting pin is having a larger extension, compared to said stem, in a transversal direction; so as to enable said anchoring element and said lifting pin to shift configuration between an engaged configuration with each other and a disengaged configuration and vice versa; wherein said anchoring element comprises a first fastening means configured to be connected to said top element; wherein said top element comprises a second fastening means configured to be connected to said anchoring element; wherein said safety device comprises fixation means for fixing a safety line thereto; wherein said top element comprises a base plate configured to rest on top of a concrete element, wherein said base plate comprises a through-going hole for accommodating at least part of said anchoring element; wherein said base plate comprises an upright pole extending from said base plate, wherein said fixation means is being arranged at an upper portion of said upright pole; wherein said upright pole at a lower portion thereof is hollow, thereby forming one or more walls at a lower portion of said upright pole, and thereby defining an interior of said upright pole; wherein said upright pole is attached to said base plate in such a way that a passage is defined from outside and below said through-going hole of said base plate and into said interior of said upright pole; characterized in that said second fastening means of said top element comprises one or more through-going openings in one or more of said walls of said upright pole, at a lower portion thereof, so that a locking element can be inserted through these said one or more through-going openings in the wall or walls of the upright pole and via the first fastening means of the anchoring element in order to lock the anchoring element and the top element to each other. - an anchoring element; and - a top element; wherein said anchoring element comprises engagement means configured to releasably engage with the head of a lifting pin of the type comprising a longitudinal stem and a head arranged at an upper end of said stem, said head of said lifting pin is having a larger extension, compared to said stem, in a transversal direction; so as to enable said anchoring element and said lifting pin to shift configuration between an engaged configuration with each other and a disengaged configuration and vice versa; wherein said anchoring element comprises a first fastening means configured to be connected to said top element; wherein said top element comprises a second fastening means configured to be connected to said anchoring element; wherein said safety device comprises fixation means for fixing a safety line thereto; wherein said top element comprises a base plate configured to rest on top of a concrete element, wherein said base plate comprises a through-going hole for accommodating at least part of said anchoring element; wherein said base plate comprises an upright pole extending from said base plate, wherein said fixation means is being arranged at an upper portion of said upright pole; wherein said upright pole at a lower portion thereof is hollow, thereby forming one or more walls at a lower portion of said upright pole, and thereby defining an interior of said upright pole; wherein said upright pole is attached to said base plate in such a way that a passage is defined from outside and below said through-going hole of said base plate and into said interior of said upright pole; characterized in that said second fastening means of said top element comprises one or more through-going openings in one or more of said walls of said upright pole, at a lower portion thereof, so that a locking element can be inserted through these said one or more through-going openings in the wall or walls of the upright pole and via the first fastening means of the anchoring element in order to lock the anchoring element and the top element to each other.