Ok I found this now so some of the links are dodgy and so on but you may find some nice stuff here, good luck!
alumni.caltech.edu/~dank/isdn (ISDN) att.net/dir800 (800 directory) ausg.dartmouth.edu/security.html
(UNIX Security Topics) ccnga.uwaterloo.ca/~jscouria/GSM (GSM Specification)
cell-relay.indiana.edu/cell-relay (Cell Relay Retreat) ciac.llnl.gov (CIAC Web Site)
csrc.ncsl.nist.gov (NIST) daemon.apana.org.au/~longi dcpu1.cs.york.ac.uk:6666/fisher/telecom
(Embryonic Telephone History Page) freeside.com/phrack.html (Phrack Magazine)
ice-www.larc.nasa.gov/ICE/papers/hacker-crackdown.html (Sterling) info.gte.com (GTE Labrotories)
info.mcc.ac.uk/Orange/ (Orange) infosec.nosc.mil/infosec.html (SPAWAR INFOSEC) iss.net/iss (Internet
Security Systems) jumper.mcc.ac.uk/~afs/telecom (UK Telecom Pricing Information) l0pht.com (The
l0pht) l0pht.com/~spacerog/index.html (Whacked Mac Archives) lod.com (Legion of Doom)
meridian.jammin.net/underground (Underground Links) mnementh.cs.adfa.oz.au/Lawrie_Brown.html (Lawrie
Brown's crypto bibliography) motserv.indirect.com (Motorola) nasirc.nasa.gov/NASIRC_home.html
(NASIRC) pages.ripco.com:8080/~glr/glr.html (Full Disclosure) rschp2.anu.edu.au:8080/crypt.html
seclab.cs.ucdavis.edu/Security.html (Security) seclab.cs.ucdavis.edu/Security.html (UCDavis.edu
Security Page) seclab.cs.ucdavis.edu/slides/slides.html (Security Lab Slides)
seclab.cs.ucdavis.edu/slides/slides.html (Security Lab Slides)
smurfland.cit.buffalo.edu/NetMan/index.html (Network Management)
sunsite.unc.edu/sun/inform/sun-info.html (Sun Microsystems Sponsor Page) support.mayfield.hp.com
(Hewlett Packard SupportLine Services) the-tech.mit.edu (LaMacchia case info)
town.hall.org/university/security/stoll/cliff.html (Cliff Stoll)
turnpike.net/emporium/C/celestial/celest.html (Detective Databases 1995)
web.mit.edu/network/pgp.html (Getting PGP) weber.u.washington.edu/~phantom/cpunk/index.html
(Cryptology) wildsau.idv.uni-linz.ac.at/~klon/underground/underground.html (Klon's Underground
Links) www-mitpress.mit.edu/mitp/recent-books/comp/pgp-source.html
www-ns.rutgers.edu/www-security/index.html (Rutger's documents on WWW security)
http://www.linuxsavvy.com/staff/jgot...und/boxes.html (Box info)
www-swiss.ai.mit.edu/~bal/pks-toplev.html (Findingsomeone's PGP key) www.2600.com (2600 Magazine)
www.8lgm.org (8lgm Security Advisories) www.aads.net (Ameritech) www.access.gpo.gov/su_docs
www.alw.nih.gov/WWW/security.html (Unix Security) www.artech-house.com (Artech House) www.asg.unb.ca
(Atlantic Systems Group Mosaic Index) www.aston.ac.uk/~bromejt/mobile.html (Mobile Phone Service
Locator) www.att.com (ATT) www.auditel.com (Auditel) www.auscert.org.au (Australian CERT)
www.axent.com (Axent Technologies) www.bctel.com (BC Tel)
http://www.beckman.uiuc.edu/groups/b...xsecurity.html (X-Win) www.bell.ca (Bell Canada)
www.bellatlantic.com (Bell Atlantic) www.bellcore.com/BETSI/betsi.html (Betsi)
www.bellcore.com/SECURITY (Bellcore Security Products) www.bellsouth.com (BellSouth)
www.bianca.com/bump/ua (Unauthorized Access Home Page) www.border.com (Border Network Technologies)
www.bt.co.uk (British Telecom) www.careermosaic.com/cm/uswest (USWest)
www.castle.net/~kobrien/telecom.html (Telecom) www.cco.caltech.edu/~rknop/amiga_pgp26.html
www.cdt.org/cda.html www.cec.wustl.edu/~dmm2/egs/egs.html (En Garde Systems) www.cert.dfn.de (German
First Team) www.checkpoint.com (Checkpoint)
http://www.cis.ohio-state.edu/hypert...0-faq/faq.html
www.cityscape.co.uk/users/ek80/index.html (Inside Cable Cover) www.cohesive.com (Cohesive Systems)
http://www.con.wesleyan.edu/~triemer.../docservs.html www.cosc.georgetown.edu/~denning/crypto (The
Cryptography Project) www.cost.se (COST Computer Security Technologies) www.cpsr.org/home (CPSR)
www.crimson.com/isdn/telecomacry.txt (Crimson's Telecommunications Acronyms) www.crtc.gc.ca (CRTC -
Canadian regulator) www.cs.berkeley.edu/~raph/remailer-list.html (Anon remailer list)
http://www.cs.cmu.edu/afs/cs.cmu.edu...y/www/sec.html (CMU Security)
www.cs.purdue.edu/coast/coast.html (Coast) www.cs.purdue.edu/pcert/pcert.html (PCERT)
www.cs.tu-bs.de (Network management Tools) www.csl.sri.com (SRI Computer Science Lab)
http://www.cwi.nl/cwi/people/Jack.Ja.../cookbook.html www.cwplc.com (Cable and Wireless)
www.cybercafe.org/cybercafe/pubtel/pubdir.html (CyberCafe) www.cygnus.com/~gnu/export.html
(Cryptography Export Control Archives) www.datafellows.fi (Data Fellows (F-Prot))
www.datasync.com/~sotmesc/sotmesc.html (SotMESC) www.dcs.exeter.ac.uk/~aba (Cypherpunk)
www.demon.co.uk/mobiles (C.C.Mobiles) www.dhp.com (DataHaven Project) www.dhp.com/~pluvius (Pluvius'
Home Page) www.digicash.com/ecash/ecash-home.html (Ecash Home Page)
www.digital.com/info/key-secure-index.html (Digital Secure Systems) www.dnai.com/~gui
www.dtic.dla.mil/defenselink (Office of the U.S. Secretary of Defense (OSD) www.dtic.dla.mil/iac
(DoD Information Analysis Center (IAC) Hub Page) www.eecs.nwu.edu/~jmyers/bugtraq/about.html
www.eecs.nwu.edu/~jmyers/bugtraq/archives.html www.eff.org www.eff.org/pub/Alerts
www.eff.org/pub/Net_info/Tools/Crypto www.engarde.com/~mcn www.ensta.fr/internet/unix/sys_admin
(System administration) www.ericsson.nl (Ericsson) www.etext.org/Zines (Zines) www.farmstead.com
(Farmstead) www.fastlane.net/homepages/thegnome (Simple Nomad) www.fbi.gov (FBI Homepage)
www.fedworld.gov (Federal Government) www.first.org (FIRST) www.flextel.com (FleXtel)
www.fonorola.net (Fonorola (a Canadian carrier) www.frus.com (Firewalls R Us) www.fsk.ethz.ch/fsk
(CSSCR) www.gbnet.net/kbridge (KarlBridge) www.ginch.org/~vixen (Empire Times) www.greatcircle.com
(Great Circle Associates) www.gta.com (Global Technology Associates) www.gti.net/grayarea (Gray
Areas) www.hotwired.com (Wired Magazine) www.hpcc.gov/blue94/section.4.6.html (NSA)
www.iacr.org/~iacr (International Association of Cryptologic Research (IACR) www.ic.gov (Central
Intelligence Agency Home Page) www.ifi.uio.no/pgp www.iminet.com/starlink (Starlink)
www.indirect.com/www/evildawg www.ingress.com (Ingress Communications) www.io.org/~djcl/phoneb.html
www.iquest.net/~oseidler (Oliver Seidler's WWW Page) www.itd.nrl.navy.mil/ITD/5540 (NRL Center for
High Assurance Computer Systems) www.itu.ch/TELECOM (Telecom '95) www.jedefense.com/jed.html
(Journal of Electronic Defense) www.l0pht.com/cdc.html (Cult of the Dead Cow)
www.l0pht.com/radiophone (Radiophone Archive) www.l0pht.com/~oblivion/IIRG.html (International
Information Retrieval Guild Archive Site) www.lat.com (Los Altos Technologies)
http://www.lerc.nasa.gov/Unix_Team/D..._Security.html (Security) www.links.net
www.louisville.edu/~wrbake01 (The GodZ of CyberSpacE)
www.lysator.liu.se:7500/mit-guide/mit-guide.html (Lockpicking Guide) www.mastercard.com (Secure
Electronic Payment Protocol) www.mgmua.com/hackers/index.html (Hackers, the movie)
www.mhv.net/dcypher/keytrap.html (Key Trap Home Page) www.milkyway.com (Milkyway Networks
Corporation) www.mit.edu:8001/people/warlord/pgp-faq.html (PGP 2.6.2 FAQ, Buglist, Fixes, and
Improvements) www.mot.com (Motorola) www.mwjournal.com/mwj.html (Microwave Journal)
http://www.ncsa.uiuc.edu/SDG/Softwar.../security.html (Security in Mosaic) www.ncsl.nist.gov
(NIST Computer Systems Laboratory) www.netpart.com (NetPartners)
www.nic.surfnet.nl/surfnet/security/cert-nl.html (CERT-NL) www.nist.gov (NIST) www.nokia.com (Nokia)
www.nortel.com (Northern Telecom) www.ntt.jp (Nippon Telephone) www.nynex.co.uk/nynex (NYNEX)
www.odci.gov (The CIA) www.one2one.co.uk (Mercury One-2-One)
www.open.gov.uk/oftel/oftelwww/oftelhm.htm (OFTEL's Home Page)
http://www.openmarket.com/info/crypt...ptography.html www.pacbell.com (Pacific Bell)
www.paranoia.com/hpa (Paranoia's H/P/A Links) www.paranoia.com/~darkfox (Darkfox's Home Page)
www.paranoia.com/~ice9 (Ice-9's Home Page) www.paranoia.com/~mthreat (ToneLoc)
www.pegasus.esprit.ec.org/people/arne/pgp.html(PGP) www.phantom.com/~darkcyde (DarkCyde)
www.phred.org (The Phred Networking Organization) www.primenet.com/~kludge/haqr.html (Kludge)
www.quadralay.com/www/Crypt/Crypt.html (Quadralay Cryptography) www.raptor.com (Raptor)
www.research.att.com (AT&T) www.rocksoft.com/rocksoft/integrity_links.html(Security and Integrity
Links) www.rogers.com (Rogers Communications) www.rourkem.com (FakeMail FAQ) www.rsa.com (RSA Data
Security) www.safe.net www.sctc.com (Secure Computing Corporation)
www.service.com/cm/uswest/usw1.html (USWest) www.soci.niu.edu/~cudigest www.somarsoft.com
(Somarsoft) www.soscorp.com (Sources of Supply Corp) www.spy.org (Computer Systems Consulting)
www.sri.com (SRI) www.stentor.ca (Stentor (Canadian telcos))
www.tecc.co.uk/public/uk-telecom/btns.html (BT "star services") www.telecom.ie (Telecom Eireann)
www.telecoms-mag.com/tcs.html (Telecommunications Magazine) www.telkom.co.za (Telkom S.A. Ltd)
www.telstra.com.au/info/security.html (Security Reference Index)
http://www.tezcat.com/web/security/s...top_level.html www.tis.com (Trusted Information Systems)
www.tregistry.com/ttr (Telecomunications Training Courses) www.tri.sbc.com (Southwestern Bell)
www.tricon.net/Comm/synapse (Synapse Magazine) www.uci.agh.edu.pl/pub/security (Security)
www.uknet.net/pnc (The Personal Number Company) www.umcc.umich.edu/~doug/virus-faq.html (Virus)
www.usfca.edu/crackdown/crack.html (Hacker Crackdown) www.videotron.co.uk (Videotron)
www.vodafone.co.uk (Vodafone) www.vptt.ch/natel.html (Natel) www.vtw.org www.well.com/user/abacard
www.well.com/user/crunch (Captain Crunch)