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Safe-cracking

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feedback available to a technician in identifying a combination. These group 1 locks were developed in response to group 2 lock manipulation. Wheels made from lightweight materials will reduce valuable sensory feedback, but are mainly used for improved resistance against radiographic attacks. Manipulation is often the preferred choice in lost-combination lockouts, since it requires no repairs or damage, but can be time consuming for an operator, the specific difficulty depends on the unique wheel shapes and where the gates rest in relation to them. A novice's opening time will be governed by these random inconsistencies, while some leading champions of this art show consistency. There are also a number of tools on the market to assist safe engineers in manipulating a combination lock open in the field.
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the change key hole. While spinning the dial and looking through the change key hole for certain landmarks on the combination lock's wheel pack, it is possible to obtain the combination and then dial open the safe with the correct combination. This method is common for a professional safe specialist because it leaves the lock in good working order and only simple repairs are needed to bring the safe barrier back to its original condition. It is also a common way to bypass difficult hard plates and glass re-lockers since the change key hole can be scoped by drilling the top, side, or back of the container.
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only to try a subset of possible combinations. Such "slops" may allow for a margin of error of plus or minus two digits, which means that trying multiples of five would be sufficient in this case. This drastically reduces the time required to exhaust the number of meaningful combinations. A further reduction in solving time is obtained by trying all possible settings for the last wheel for a given setting of the first wheels before nudging the next-to-last wheel to its next meaningful setting, instead of zeroing the lock each time with a number of turns in one direction.
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Drill-points are often located close to the axis of the dial on the combination lock, but drilling for observation may sometimes require drilling through the top, sides or rear of the safe. While observing the lock, the attacker manipulates the dial to align the lock gates so that the fence falls and
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Low-end electronic fire-safes, such as those used in hotels or for home use, are locked with either a small motor or a solenoid. If the wires running to the device (solenoid or motor) can be accessed, the device can be 'spiked' with a voltage from an external source - typically a 9 volt battery - to
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attacks. Several tools exist that can automatically retrieve or reset the combination of an electronic lock; notably, the Little Black Box and Phoenix. Tools like these are often connected to wires in the lock that can be accessed without causing damage to the lock or container. Nearly all high-end,
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radiation can be used to reveal the internal angular relationship of the wheels gates to the flys mechanism to deduce the combination. Some modern safe locks are made of lightweight materials such as nylon to inhibit this technique, since most safe exteriors are made of much denser metals. The Chubb
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Most modern safes are fitted with 'relockers' (like the one described above) which are triggered by excessive force and will then lock the safe semi-permanently (a safe whose relocker has tripped must then be forced, as the combination or key alone will no longer suffice). This is why a professional
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to move the pin when the correct code is entered. This pin can also be moved by the impact of the safe being dropped or struck while on its side, which allows the safe to be opened. One security researcher taught his three-year-old son how to open most consumer gun safes. More expensive safes use a
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chips into alloys such as cobalt-vanadium, designed to shatter the cutting tips of a drill bit). These include protecting the locking mechanism, the bolts, and areas where drilling could be used to advantage. Special diamond or tungsten-carbide drill-bits can make some headway with some hardplates,
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container. When manipulation-proof mechanical locks and glass re-lockers are implemented as security measures, scoping is the most practical option. One common method is called "scoping the change key hole." The safecracker will drill a hole allowing him to get his scope into a position to observe
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Nearly all combination locks allow some "slop", or deviation, while entering a combination on the dial. On average, 1% radial rotation in either direction from the center of the true combination number allows the fence to fall despite slight deviation, so that for a given safe, it may be necessary
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Mechanical safe locks are manipulated primarily by feel and vision, with sound sometimes supplementing the process. To find the combination the operator uses the lock against itself by measuring internal movements with the dial numbers. More sophisticated locks use advanced mechanics to reduce any
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While manipulation of combination locks is usually performed on Group 2 locks, many Group 1 locks are also susceptible. The goal is to successfully obtain the combination one number at a time. Manipulation procedures vary, but all rely on exploiting mechanical imperfections in the lock to open it,
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which are often located underground have been compromised by safe-crackers who have tunneled in using digging equipment. This method of safe-cracking has been countered by building patrol-passages around the underground vaults. These patrol-passages allow early detection of any attempts to tunnel
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Autodialing machines have been developed to open safes. Unlike fictional machines that can open any combination in a matter of seconds, such machines are usually specific to a particular type of lock and must cycle through thousands of combinations before success. Such a device was created by two
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Many of these techniques require the attacker to tamper with the keypad, wait for the unsuspecting user to enter the combination, and return at a later time to retrieve the information. These techniques are sometimes used by members of intelligence or law enforcement agencies, as they are often
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Another computer-aided method uses tools similar to autodialers, which instead make measurements of the internal components of the lock then deduce the combination in a way similar to that of a human safe cracker. Mas Hamilton's SoftDrill was one such device, but is no longer in production.
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Punching, peeling and using a torch are other methods of compromising a safe. The punch system is widely used by criminals for rapid entry. Punching was developed by Pavle Stanimirovic and used in New York City. Peeling is a method that involves removing the outer skin of the safe.
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Some keypads are designed to inhibit the aforementioned attacks. This is usually accomplished by restricting the viewing angle of the keypad (either by using a mechanical shroud or special buttons), or randomizing the positions of the buttons each time a combination is entered.
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Movies often depict a safe-cracker determining the combination of a safe lock using his fingers or a sensitive listening device to determine the combination of a rotary combination lock. Other films also depict an elaborate scheme of explosives and other devices to open safes.
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A number of inexpensive safes sold to households for under $ 100 use mechanical locking mechanisms that are vulnerable to bouncing. Many cheap safes use a magnetic locking pin to prevent lateral movement of an internal locking bolt, and use a
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A safe may be compromised by using a manufacturer-set combination. Known as try-out combinations, these allow an owner initial access to their safe in order to set a new unique one. Sources of try-out combinations exist by manufacturer.
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displays inside of the buttons to allow the number on each button to change. This allows for randomization of the button positions, which is normally performed each time the keypad is powered on. The buttons usually contain a
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manipulation is a damage-free, combination-based method. A well known surreptitious bypass technique, it requires knowledge of the device and well developed touch, along with the senses of sight and possibly sound.
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Drilling is an attractive method of safecracking for locksmiths, as it is usually quicker than manipulation, and drilled safes can generally be repaired and returned to service.
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and, if desired, recover its combination for future use. Similar damage-free bypass can also be achieved by using a computerized auto-dialer or manipulation robot in a so-called
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Placing certain gels, powders, or substances on the keys that can be smudged or transferred between keys when the combination is entered, and observed at a later time.
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Safes have widely different designs, construction methods, and locking mechanisms. A safe cracker needs to know the specifics of whichever will come into play.
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All quality safes protect against drilling attacks through the strategic use of specially tempered or alloyed hardplate steel, or composite hardplate (casting
350:. These auto-dialer machines may take 24 hours or more to reach the correct combination, although modern devices with advanced software may do so faster. 513:. This method requires care as the contents of the safe may be damaged. Safe-crackers can use what are known as jam shots to blow off the safe's doors. 826: 918:(1989)—Drilling, hammering (a cheap safe), nitroglycerin explosives, torch-cutting (with this method the contents were destroyed), social engineering 105: 92: 469:. These are usually in the form of fusible links integrated into the glass relocker cabling, which trigger it when a set temperature is exceeded. 1174: 1162: 1294: 386: 689: 633: 818: 1248: 586:
are not vulnerable to traditional manipulation techniques (except for brute-force entry). These locks are often compromised through
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Other methods of cracking a safe generally involve damaging the safe so that it is no longer functional. These methods may involve
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coming from the lock. Because of this, many safe locks used to protect critical infrastructure are tested and certified to resist
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Manifoil Mk4 combination lock contains a lead shield surrounding part of the lock to defeat such attempts to read its wheels.
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safe-technician will use manipulation rather than brute force to open a safe so they do not risk releasing the relocker.
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Low-end home and hotel safes often utilize a solenoid as the locking device and can often be opened using a powerful
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Other easy-to-guess combinations include a birthdate, street address, or driver's license number.
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on a safe. Many modern high-security safes also incorporate additional thermal safeties to foil
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attacks. These include the Kaba Mas X-10 and S&G 2740B, which are FF-L-2740B compliant.
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Bypass attacks involve physical manipulation of both the lock and its bolt mechanism.
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Three safecracking methods seen in movies were also tested on the television show
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consumer-grade electronic locks are vulnerable to some form of electronic attack.
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DEF CON 24 - Plore - Side channel attacks on high security electronic safe locks
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While these keypads can be used on safes and vaults, this practice is uncommon.
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screen in front of the display, which inhibits off-axis viewing of the numbers.
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Examining wear or deformity of buttons which are pressed more often than others
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and damage the safe so it may be opened. Examples of penetration tools include
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can be as hot as 2,200 Â°C (3,990 Â°F), much hotter than traditional
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The combinations for some electronic locks can be retrieved by examining
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Surely You're Joking, Mr. Feynman!: Adventures of a Curious Character
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Process of opening a safe without either the combination or the key
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into the safe to get an intimate look into a specific part of the
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Scoping a safe is the process of drilling a hole and inserting a
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Hiding a camera in the room which records the user pressing keys
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gear mechanism that is less susceptible to mechanical attacks.
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but it is still a time-consuming and difficult process.
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EEVblog #762 - How Secure Are Electronic Safe Locks?
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When properly implemented, these keypads make the "
155:. Unsourced material may be challenged and removed. 30:"Safe-cracker" redirects here. For other uses, see 1477:Safe-cracking history and modern safe engineering 632:Visually observing a user enter the combination ( 624:If an electronic lock accepts user input from a 902:(1988)—Drilling, guessing electronic passwords 8: 648:Placing a "skimmer" (akin to those used for 409:Some safes are susceptible to compromise by 322:without either the combination or the key. 311:A safe with destroyed electronic components 71:Learn how and when to remove these messages 295:Learn how and when to remove this message 277:Learn how and when to remove this message 215:Learn how and when to remove this message 1463:. Season 4. Episode 59. August 23, 2006. 306: 108:of all important aspects of the article. 1154: 994:, physical sabotage of security systems 707:Some of the more famous works include: 642:Examining fingerprints left on the keys 1442:. Season 4. Episode 54. July 12, 2006. 1100:(2015; video game)—Safe-cracking robot 457:, and can be used to burn through the 104:Please consider expanding the lead to 1332:How to break into most digital safe's 387:Massachusetts Institute of Technology 7: 153:adding citations to reliable sources 1225:from the original on June 28, 2017. 501:or other devices to inflict severe 1482:How to Crack a Safe – Tough Method 819:Butch Cassidy and the Sundance Kid 25: 52:This article has multiple issues. 1343:from the original on 2021-12-12. 1213:from original on August 9, 2016. 231: 129: 82: 41: 1391:from the original on 2021-12-12 1364:from the original on 2021-12-12 1354:DEFCONConference (2016-11-10), 827:On Her Majesty's Secret Service 140:needs additional citations for 96:may be too short to adequately 60:or discuss these issues on the 1275:(Press release). Zieh-Fix, Inc 1201:from original on June 28, 2017 1044:. The contents were destroyed. 525:Penetrating radiation such as 405:Safe-drilling with a drill rig 106:provide an accessible overview 1: 1487:Safe opening Secrets (German) 660:effective and surreptitious. 32:Safe-cracker (disambiguation) 318:is the process of opening a 1455:Crimes and Myth-Demeanors 2 1434:Crimes and Myth-Demeanors 1 1189:from original June 28, 2017 439:safes use a tempered glass 257:the claims made and adding 1523: 550: 534:Tunneling into bank vaults 365: 29: 851:Thunderbolt and Lightfoot 601:electromagnetic emissions 417:the bolt is disengaged. 362:Guessing the combination 1037:Brainiac: Science Abuse 754:Who's Minding the Mint? 714:A Retrieved Reformation 672:Some keypads use small 1381:EEVblog (2015-07-05), 406: 312: 859:No Deposit, No Return 664:High-security keypads 404: 366:Further information: 310: 1144:Security engineering 1097:Battlefield Hardline 620:Keypad-based attacks 616:open the container. 521:Radiological methods 455:oxyacetylene torches 149:improve 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Norton 1236: 1230: 1218: 1206: 1194: 1182: 1170: 1163:the original 1157: 1134:Lock picking 1114: 1112: 1103: 1095: 1087: 1079: 1071: 1065:The Bank Job 1063: 1055: 1047: 1035: 1027: 1019: 1011: 1008:(see below). 1003: 997: 985: 977: 969: 961: 953: 945: 937: 929: 921: 913: 905: 897: 889: 883:Blood Simple 881: 873: 865: 857: 849: 841: 835:The Burglars 833: 825: 817: 806: 801:Jönssonligan 799: 790: 783: 774: 769:Olsen-banden 767: 760: 752: 744: 736: 728: 720: 712: 706: 702: 694: 687: 671: 667: 658: 623: 614: 598: 582: 570: 556: 553:Lock bumping 537: 524: 515: 496: 479: 471: 463:blow torches 445: 434: 426: 422: 419: 415: 408: 391: 383: 375: 371: 356: 352: 344: 337: 329: 315: 314: 291: 273: 267:October 2023 264: 241: 211: 205:October 2023 202: 192: 185: 178: 171: 159: 147:Please help 142:verification 139: 111: 95: 93:lead section 68: 61: 55: 54:Please help 51: 18:Safe cracker 1460:MythBusters 1439:Mythbusters 1116:MythBusters 1092:(2013-2016) 1060:(2007–2013) 1057:Burn Notice 1005:MythBusters 963:Blue Streak 931:Killing Zoe 923:Hudson Hawk 915:Breaking In 843:Cool Breeze 785:Olsenbanden 567:Magnet risk 540:bank vaults 114:August 2020 1496:Categories 1418:2019-05-18 1395:2019-05-18 1368:2019-05-18 1279:2020-10-12 1150:References 1013:Panic Room 971:Sexy Beast 762:Olsen Gang 683:lenticular 551:See also: 499:explosives 435:Some high- 380:Autodialer 251:improve it 175:newspapers 57:improve it 1029:Bad Santa 999:The Score 482:borescope 255:verifying 98:summarize 63:talk page 1389:archived 1362:archived 1341:Archived 1259:10925248 1223:Archived 1211:archived 1199:archived 1187:archived 1175:Archived 1123:See also 1089:Payday 2 947:Safe Men 899:Die Hard 560:solenoid 486:security 441:relocker 437:security 411:drilling 1337:YouTube 990:(2001)— 605:TEMPEST 595:TEMPEST 476:Scoping 249:Please 189:scholar 1299:Forbes 1257:  1247:  1108:(2021) 1084:(2013) 1076:(2011) 1068:(2008) 1052:(2004) 1032:(2003) 1024:(2003) 982:(2000) 966:(1999) 958:(1998) 950:(1998) 934:(1994) 926:(1991) 910:(1989) 894:(1988) 886:(1984) 878:(1981) 875:Vabank 870:(1981) 862:(1976) 854:(1974) 846:(1972) 838:(1971) 822:(1969) 757:(1967) 749:(1967) 741:(1963) 733:(1955) 730:Rififi 725:(1950) 717:(1909) 626:keypad 538:Large 191:  184:  177:  170:  162:  1317:WIRED 867:Thief 527:X-ray 503:force 459:metal 196:JSTOR 182:books 1255:OCLC 1245:ISBN 939:Heat 465:and 449:and 339:Lock 320:safe 168:news 1457:". 1436:". 678:LCD 676:or 674:LED 253:by 151:by 1498:: 1411:. 1387:, 1360:, 1335:. 1315:. 1297:. 1253:. 1239:. 575:. 66:. 1453:" 1432:" 1421:. 1301:. 1282:. 1261:. 636:) 298:) 292:( 280:) 274:( 269:) 265:( 247:. 218:) 212:( 207:) 203:( 193:· 186:· 179:· 172:· 145:. 116:) 112:( 102:. 73:) 69:( 34:. 20:)

Index

Safe cracker
Safe-cracker (disambiguation)
improve it
talk page
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lead section
summarize
provide an accessible overview

verification
improve this article
adding citations to reliable sources
"Safe-cracking"
news
newspapers
books
scholar
JSTOR
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original research
improve it
verifying
inline citations
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Learn how and when to remove this message

safe
Lock
brute-force attack

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