The design is the visual features of the SECURITY CAMERA shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. The portions shown in stippled lines do not form part of the design. Figure Reference: Figure 1 is a front perspective view of the security camera; Figure 2 is a rear perspective view of the security camera in the first configuration of Figure 1; Figure 3 is a front elevational view of the security camera in the first configuration of Figure 1; Figure 4 is a rear elevational view of the security camera in the first configuration of Figure 1; Figure 5 is a left-side elevational view of the security camera in the first configuration of Figure 1; Figure 6 is a right-side elevational view of the security camera in the first configuration of Figure 1; Figure 7 is a top plan view of the security camera in the first configuration of Figure 1; Figure 8 is a bottom plan view of the security camera in the first configuration of Figure 1; Figure 9 is a front perspective view of the security camera of Figure 1 in a second configuration; Figure 10 is a rear perspective view of the security camera in the second configuration of Figure 9; Figure 11 is a front elevational view of the security camera in the second configuration of Figure 9; Figure 12 is a rear elevational view of the security camera in the second configuration of Figure 9; Figure 13 is a left-side elevational view of the security camera in the second configuration of Figure 9; Figure 14 is a right-side elevational view of the security camera in the second configuration of Figure 9; Figure 15 is a top plan view of the security camera in the second configuration of Figure 9; Figure 16 is a bottom plan view of the security camera in the second configuration of Figure 9; Figure 17 is a front perspective view of a first variant of the security camera of Figure 1, in a first configuration; Figure 18 is a rear perspective view of the security camera in the first configuration of Figure 17; Figure 19 is a front elevational view of the security camera in the first configuration of Figure 17; Figure 20 is a rear elevational view of the security camera in the first configuration of Figure 17; Figure 21 is a left-side elevational view of the security camera in the first configuration of Figure 17; Figure 22 is a right-side elevational view of the security camera in the first configuration of Figure 17; Figure 23 is a top plan view of the security camera in the first configuration of Figure 17; Figure 24 is a bottom plan view of the security camera in the first configuration of Figure 17; Figure 25 is a front perspective view of the security camera of Figure 17, in a second configuration; Figure 26 is a rear perspective view of the security camera in the second configuration of Figure 25; Figure 27 is a front elevational view of the security camera in the second configuration of Figure 25; Figure 28 is a rear elevational view of the security camera in the second configuration of Figure 25; Figure 29 is a left-side elevational view of the security camera in the second configuration of Figure 25; Figure 30 is a right-side elevational view of the security camera in the second configuration of Figure 25; Figure 31 is a top plan view of the security camera in the second configuration of Figure 25; Figure 32 is a bottom plan view of the security camera in the second configuration of Figure 25; Figure 33 is a front perspective view of a second variant of the security camera of Figure 1, in a first configuration; Figure 34 is a rear perspective view of the security camera in the first configuration of Figure 33; Figure 35 is a front elevational view of the security camera in the first configuration of Figure 33; Figure 36 is a rear elevational view of the security camera in the first configuration of Figure 33; Figure 37 is a left-side elevational view of the security camera in the first configuration of Figure 33; Figure 38 is a right-side elevational view of the security camera in the first configuration of Figure 33; Figure 39 is a top plan view of the security camera in the first configuration of Figure 33; Figure 40 is a bottom plan view of the security camera in the first configuration of Figure 33; Figure 41 is a front perspective view of the security camera of Figure 33, in a second configuration; Figure 42 is a rear perspective view of the security camera in the second configuration of Figure 41; Figure 43 is a front elevational view of the security camera in the second configuration of Figure 41; Figure 44 is a rear elevational view of the security camera in the second configuration of Figure 41; Figure 45 is a left-side elevational view of the security camera in the second configuration of Figure 41; Figure 46 is a right-side elevational view of the security camera in the second configuration of Figure 41; Figure 47 is a top plan view of the security camera in the second configuration of Figure 41; Figure 48 is a bottom plan view of the security camera in the second configuration of Figure 41; Figure 49 is a front perspective view of a third variant of the security camera of Figure 1, in a first configuration; Figure 50 is a rear perspective view of the security camera in the first configuration of Figure 49; Figure 51 is a front elevational view of the security camera in the first configuration of Figure 49; Figure 52 is a rear elevational view of the security camera in the first configuration of Figure 49; Figure 53 is a left-side elevational view of the security camera in the first configuration of 0Figure 49; Figure 54 is a right-side elevational view of the security camera in the first configuration of Figure 49; Figure 55 is a top plan view of the security camera in the first configuration of Figure 49; Figure 56 is a bottom plan view of the security camera in the first configuration of Figure 49; Figure 57 is a front perspective view of the security camera of Figure 49, in a second configuration; Figure 58 is a rear perspective view of the security camera in the second configuration of Figure 57; Figure 59 is a front elevational view of the security camera in the second configuration of Figure 57; Figure 60 is a rear elevational view of the security camera in the second configuration of Figure 57; Figure 61 is a left-side elevational view of the security camera in the second configuration of Figure 57; Figure 62 is a right-side elevational view of the security camera in the second configuration of Figure 57; Figure 63 is a top plan view of the security camera in the second configuration of Figure 57; and Figure 64 is a bottom plan view of the security camera in the second configuration of Figure 57. Drawings of the design are included.