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Cult of the Dead Cow: How the Original Hacking Supergroup Might Just Save the World Hardcover – June 4, 2019
Cult of the Dead Cow is the tale of the oldest active, most respected, and most famous American hacking group of all time. With its origins in the earliest days of the internet, the cDc is full of oddball characters – activists, artists, and musicians – some of whom went on to advise presidents, cabinet members, and CEOs, and who now walk the corridors of power in Washington and Silicon Valley.
Today, the group and its followers are battling electoral misinformation, making personal data safer, and organizing to keep technology a force for good instead of for surveillance and oppression. Cult of the Dead Cow describes how, at a time when governments, corporations, and criminals hold immense power, a small band of tech iconoclasts is on our side fighting back.
- Print length272 pages
- LanguageEnglish
- PublisherPublicAffairs
- Publication dateJune 4, 2019
- Dimensions6.5 x 1.5 x 9.5 inches
- ISBN-10154176238X
- ISBN-13978-1541762381
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Editorial Reviews
Review
"The author narrates a fast-paced story about how a little-known movement that could trace its roots to the psychedelic rock of the 1960s-one visionary was the son of the Jefferson Airplane's drummer, while another was a lyricist for the Grateful Dead-would eventually serve as security advisory for the Pentagon, the cybernetics industry, and geopolitical forces around the globe... A quick tale of black hats and white hats, with a lot of gray area in between."―Kirkus Reviews
"Long before there was a multi-billion dollar cyber industry, there were some ethical hackers who showed us that the Silicon Valley emperors had no clothes. They looked like misfits, but they showed us how insecure the Internet was and how to make it better. Joe Menn makes this previously untold story entertaining and relevant to today's cyber threats."―Richard A. Clarke, first White House "Cyber Czar"
"Cult of the Dead Cow is an exhilarating and essential look into a part of the hacker underground that has shaped the modern world in profound ways. Readers will be amazed by this crew of eccentric, impassioned geniuses who have so often served as the Internet's conscience while lurking unknown in the shadows. The depth of Joe Menn's reporting is as astonishing as his storytelling - no one could have captured this tale better."―Ashlee Vance, author of Elon Musk: Tesla, SpaceX, and the Quest for a Fantastic Future
"Cult of the Dead Cow reveals a story few know about the origins of white hat hacking and the heroes it celebrates. Despite the title, hacking isn't dead yet!"―Vint Cerf, co-inventor of the Internet
"This dramatic story of how the Internet's first hackers learned to handle their outsized abilities can help us grapple to control the power of today's technology titans."―Bruce Schneier, Harvard fellow and lecturer and author of Click Here to Kill Somebody
"A beautifully researched, engrossingly told story about how CDC and its members and offshoot groups invented much of what has become normal in the modern practice of tech and security...Menn zeroes in on a perfect spot between the personalities and the tools, and in so doing, answers some important questions about how we arrived at the place we're at today, where information security is at the heart of questions of national security, human rights, free speech, and the survival of our democracies and our species itself."―Cory Doctorow, author of LittleBrother and Homeland
"A must-read for anyone who cares about how we broke the internet...and how we just might save it."―Dustin Volz, Wall StreetJournal security reporter
About the Author
Product details
- Publisher : PublicAffairs (June 4, 2019)
- Language : English
- Hardcover : 272 pages
- ISBN-10 : 154176238X
- ISBN-13 : 978-1541762381
- Item Weight : 1.05 pounds
- Dimensions : 6.5 x 1.5 x 9.5 inches
- Best Sellers Rank: #532,112 in Books (See Top 100 in Books)
- #173 in Computer Hacking
- #421 in Political Intelligence
- #476 in Internet & Telecommunications
- Customer Reviews:
About the author

An investigative reporter for Reuters, Joseph Menn is the longest serving and most respected mainstream journalist on cyber security. He has won three Best in Business awards from the Society of American Business Editors & Writers and been a finalist for three Gerald Loeb Awards. His Fatal System Error: The Hunt for the New Crime Lords who are Bringing Down the Internet exposed the Russian government’s collaboration with organized criminal hackers and was named one of the 10 best nonfiction books of 2010 by Hudson Booksellers. He also wrote the definitive All the Rave: The Rise and Fall of Shawn Fanning’s Napster, an Investigative Reports & Editors Inc. finalist for book of the year. He previously worked for The Financial Times, Los Angeles Times and Bloomberg and has spoken at conferences including Def Con, Black Hat and RSA. He grew up near Boston and lives in San Francisco.
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Customers find the book readable and informative, with one review noting how well-researched the content is. The storytelling quality receives mixed reactions - while some find it an engaging retelling of a crazy story, others describe it as severely disappointing. The writing style also gets mixed reviews, with one customer finding it approachable for non-technical audiences while another finds it confusing. Customers appreciate the book's coverage of hacking history, with one review highlighting its deep exploration of politics, elections, and relationships with hacking.
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Customers find the book engaging and fun to read, with one customer noting it's a page-turner.
"...cast of characters (some who warrant a book of their own) makes the book a page-turner, but the real purpose (whether intended or not) lies in its..." Read more
"Good read. Worth every penny." Read more
"...That being said this book is a very fun read, a fun romp through memory lane (even if the lane doesn’t follow my own memory exactly) and in the end..." Read more
"...making it not only a highly informative book but also highly entertaining to read...." Read more
Customers find the book informative, with one customer noting its well-researched details and another highlighting its comprehensive coverage of recent events.
"...On the whole it is compelling, thrilling and important...." Read more
"...I can attest that the book is substantially accurate regarding the events which I personally witnessed, as well as those I heard about from the..." Read more
"...He did an admiral job of interviewing and fact gathering, and while some of the details may be forever blurred by time and conflicting opinions,..." Read more
"...It tells stories that I was present for, and I talked to the author and am quoted within...." Read more
Customers appreciate the book's coverage of hacking history, with one customer noting its careful observation of a prominent hacking collective, while another highlights its in-depth exploration of political and election dynamics, relationships with hacking, and discussion of hacktivism.
"...The finished product is a rare thing: a careful observation of a prominent hacking collective, with a view from the inside looking out...." Read more
"I think it goes very deep into politics and elections dinamics relationships with hacking , but it misses to adding more field facts that could be..." Read more
"...multi-decade story of the Cult of the Dead Cow, one of the most influential hacker groups...." Read more
"...stars for the history of vulnerability disclosure and interesting discussion of hacktivism, but took three off for ending the book with a protracted..." Read more
Customers have mixed opinions about the storytelling quality of the book, with some finding it an engaging retelling of a crazy story and a compelling historical narrative, while others describe it as severely disappointing.
"...The story covers the group’s insider jokes and audacious antics with a flare indicative of the scene’s 80s/90s shenanigans...." Read more
"The writing style is a bit confusing at times, but the story is interesting and inspiring...." Read more
"...That being said this book is a very fun read, a fun romp through memory lane (even if the lane doesn’t follow my own memory exactly) and in the end..." Read more
"...The book isn't perfect. Menn needed to boil down 30 years of cDc history. A lot of interesting stories were omitted...." Read more
Customers have mixed opinions about the writing style of the book, with some finding it accessible for non-technical audiences, while others find it confusing.
"...It’s approachable for non-tech audiences and makes a great beach read. Highly recommend." Read more
"The writing style is a bit confusing at times, but the story is interesting and inspiring...." Read more
"Current, thorough, and relevant. Written to be digestible by non-technical audiences. A tome for the Hacker History Hall of Fame." Read more
"...This book is filed with sophistic DNC talking points, baffling diction, inabilities to quote sources grammatically, and steadfast refusal to put the..." Read more
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This book gave me flashbacks to my high school years.
Top reviews from the United States
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- Reviewed in the United States on June 4, 2019With “Cult of the Dead Cow: How the Original Hacking Supergroup Might Just Save the World,” Joe Menn adds to a growing library of works covering people that took the Internet from a fledgling experiment to a socio-economic driving force reshaping humanity. More importantly, it fills in the gaps, long unsatisfied, about the origins of many well-known personalities and companies in the security field. On the whole it is compelling, thrilling and important.
The story covers the group’s insider jokes and audacious antics with a flare indicative of the scene’s 80s/90s shenanigans. Rounding out these jovial undertones, however, is a deeper exploration of uncharted waters: how to transition from a life of hacking into the professional world, how to ethically work for a government, and how to use the pulpit to drive change.
The book both suffers from, and overcomes, the difficult challenge of covering a sprawling web of interconnected people that influenced, were influenced by, and became influencers for cDc.
This was never going to be an easy book to write. In the ever-complex Venn diagram that were social relationships, cDc was neither the first, nor the last, influential hacker collective from this time period. Menn has done a nice job connecting a few key people from L0pht, w00w00 and @stake; there are others. Inevitably there are important people and stories missing from the pages of this book. Time, distance, visibility (and anonymity) are the enemies of stories such as these.
In this way, Menn is part hagiographer, part historian. Readers expecting a complete archive of hacker history and all its players will be disappointed. Perhaps someday there may be a Gibbonesque attempt to catalog and narrate, in full, everything known about the early hacking scene(s). But Menn’s book is meant to be something else; it’s a chance for the reader to see the deeper impacts of early hacker culture as told by people that lived it.
Younger readers, especially those newly coming into the infosec/cybersecurity profession, can see herein the origins of the long-unsettled debate around the ethics of technology and what it means to be a technologist. What does it look like to ask the hard questions about the tech you’re building? What does it mean to make software that billions of people use and what responsibilities do you bear as the creator? What role does government (and censorship) play in a [virtual] world without borders? Can we approach society’s overall well-being with the hacker mindset? Where are things going from here?
Menn’s story of a colorful cast of characters (some who warrant a book of their own) makes the book a page-turner, but the real purpose (whether intended or not) lies in its discussion on technology and ethics: where it has incubated and where its going. It’s approachable for non-tech audiences and makes a great beach read. Highly recommend.
- Reviewed in the United States on March 31, 2025Good read. Worth every penny.
- Reviewed in the United States on July 27, 2020The writing style is a bit confusing at times, but the story is interesting and inspiring. A must read for those interested in the continued development of internet-based technology.
- Reviewed in the United States on June 4, 2019TL, DR: It’s a good story, not a history book. If you are looking for a good story with a message, read it. If you are looking for a nuanced description of what was happening in history, look elsewhere.
The NYTimes called “The Cult of the Dead Cow: How the Original Hacking SuperGroup Might Just Save the World” by Joseph Menn, a great piece of storytelling, and I will agree, it is definitely a story. This is not a history book. While I only found only minor factual errors, that which can be attributed to twenty years of fog, the facts that have been used only tell part of the overall story and are used to paint the picture that Menn wants the reader to see. But this is the job of any good author, and Menn pulls it off masterfully. However, as someone who lived through and participated in many of the events mentioned in the book, actually reported on them at the time through my own news outlet, and was and still is close friends with many of the characters, I see Menn’s story for what it is, a story.
Anything written about the Cult of the Dead Cow that uses members of the group as its primary source material needs to understand the group’s history. For most of the group’s existence the cDc wasn’t really about hacking. Yes, the group existed online in the before time, in the long long ago, and so most of its members were very technically adept but the group wasn’t really about hacking. It’s all right there in the group’s publications, the t-files. There are a few early files that could be considered hacker related but for the most part they are shock value human interest pieces. The group was about public spectacle, at least that’s how it appeared to other non-member hackers. Just look at the huge productions made of the Defcon releases of Back Orifice and BO2K and of course the completely made up Hong Kong Blondes. Even one of the group’s taglines ‘global domination through media saturation’ suggests the group was just in it for the glory. Menn knows this as he calls the cDc a ‘performance art group’ (page 2), the ‘liberal arts section of the computer underground’ (12), ‘the arts wing of the hacking community’ (21), ‘successor to the Merry Pranksters’ (23), ‘more of a social space’ (25), ‘they were an enormous inside joke for hackers’ (47) etc… Menn knew that was cDc ‘playing with the media’ (58) and that they would ‘jam information to see how far out it would go’ (59). As such, and Menn alludes to this in the book obliquely, anything the group says to a reporter or an author needs to be taken with a grain of salt.
Menn seems to take liberty with which facts he includes and which ones he decides to omit or quickly gloss over. Obviously he can’t include everything or the book or it would easily be five or ten times longer and his big story would get lost in all the other little stories. But there are major important facts that should not only be included but expounded apon and explained in order to give a complete and accurate picture to the reader.
For example the transition of The L0pht from hobby space to LLC to VC backed firm didn’t just happen, it wasn’t just a one person idea. (56) It was a was a huge deal, It was not the first time a hacker group had tried to become a company but when you are the first legal LLC in the state and making the move from quasi underground organization to paying taxes I would think it warrants more of a mention than just ‘newly incorporated’ (56) Especially among other hackers where accusations of ‘sell out’ were often heard. Another important yet glossed over part of the story was the explusion of Count Zero. He wasn’t kicked out because he didn’t want to transition (56) but because he wasn’t respecting the space, not following the communal house rules, and kept mostly to himself.
Not only has Menn omitted major events, which admittedly could be simply an authors prerogative, he has confused the reader on more than one occasion. For example this book review was unable to distinguish between members of the Cult of the Dead Cow and members of the cDc Ninja Strike Force, which while closely aligned were two separate group’s. There is also an extreme blurring of lines between cDc and L0pht. Menn goes so far to label L0pht as the cDc’s East Coast base (59), despite later claiming that at least two cDc members (Veggie and FreqOut) (49) along with the group’s servers where on the other side of town at Messiah Village, which had nothing to do with The L0pht. Yes, cDc, Messiah Village, Hell House, Sin House, L0pht and others were all friends and knew each other (Boston was a glorious hacking place in the mid-late 90’s) but we were separate distinct group’s, Menn’s book seems to treat everyone as one large homogeneous cluster that happened to be in Boston and it was anything but.
Menn treats the entire Hong Kong Blondes debacle, which was pointed out as fake and labeled as a ‘media hack’ years ago, as some sort of glorified civil rights cause by Menn. That somehow lying to multiple news organizations for years to somehow highlight on human rights abuses (Menn isn’t clear as to how) was a just and moral thing. If such a thing happened today it would either be called Fake News or aired on FOX. It is unclear what good exactly came from these efforts and Menn does a poor job of explaining it to the reader. In fact if you read too quickly you may not even realize that this was anything more than an attention grab by cDc and that the HKBs had no basis in reality. I feel Menn does a serious disservice here by not flat out labelling the Hong Kong Blondes by what they actually were, lies.
I have criticized how other tech books have handled footnotes and I will do so again with Menn’s book for completely different reasons. In my review of Kim Zetter’s excellent book Countdown to Zero-Day I said that including the footnotes inline on every page detracted from the main story, especially when they took up half the page in a tiny font; for that book I would have preferred the footnotes at the end. The exact opposite is true for Menn’s book. There are key footnotes that Menn sticks in the back of the book because they don’t fit in nicely with his narrative. For example the footnote on the origin of hactivism (215). In the footnote Menn claims that previous research on the origin of the word is irrelevant and yet makes a major claim in the main text that cDc not only coined the term but attempted to popularize it. Additional research as to the origin of the word would seem appropriate to include in the main body of the text so that the reader can frame the ensuing paragraphs appropriately. Then in footnote 54 (218) Menn mentions that Mudge is prone to exaggeration. Mudge and I shared an apartment for a year, I heard all his stories more than once, I am intimately familiar with his story telling tendencies. (This is not a bad thing, they are great stories!) Considering that Mudge is Menn’s primary source for all the stuff about L0pht and features prominently in three chapters of the book it would seem that his tendency to tell tall tails would be important information that should be prominently shared with the reader and made it into the primary text, and not relegated to page 253.
There are numerous points throughout the book (as in several per page) where I remember things differently. In many cases what I feel are very relevant facts have been omitted and in others there are minor factual errors that impact the overall meaning. There are entire sections of the book that have little to nothing to do with The Cult of the Dead Cow, like the VC funding of L0pht, but are included anyway to support Menn’s overall story arc. I may try to go through and document each one of these if I can find the time, or I may not.
Much of this book dealt more with the L0pht than with cDc, and while there was some cross pollination we were two separate group’s each with its own accomplishments and goals. Unfortunately as a book about L0pht there just isn’t enough here, there are many more aspects to what the L0pht accomplished and did. Evidently Menn felt that large parts of the L0pht story are somehow relevant to cDc when they really aren’t. That being said this book is a very fun read, a fun romp through memory lane (even if the lane doesn’t follow my own memory exactly) and in the end it’s a great story. But it is just that, a story.
- Reviewed in the United States on June 4, 2019I was interviewed by the author for this, and after reading the book I'm glad I got to contribute in some small way. The finished product is a rare thing: a careful observation of a prominent hacking collective, with a view from the inside looking out. Several of us went on the record, and even turned over internal emails and other documents to clear up the history on several important matters.
I can attest that the book is substantially accurate regarding the events which I personally witnessed, as well as those I heard about from the people who were there. There are little things you can nitpick, but the important details are well-researched and Menn sticks to the facts.
Surprisingly, I learned a lot of things about us by reading this book. There were surprising stories in there that I hadn't heard before. Due to the nature of their past work, several cDc members have needed to maintain operational security and compartmentalize things. So I was totally surprised by some of the reporting here.
The book isn't perfect. Menn needed to boil down 30 years of cDc history. A lot of interesting stories were omitted. (For that matter, I myself was omitted.) I can see why. The story that this author chose to investigate was complicated enough; he followed the threads that were important to the narrative. Some other author(s) will have to follow up with the multitude of crazy stories that Menn had to leave out. And I would love it if they did.
Top reviews from other countries
- Kushal DasReviewed in India on June 5, 2019
5.0 out of 5 stars Read this book
From now on I am going to recommend this book to everyone who wants to learn more how technologies work. People should have some idea about the past, and this book has details.
- Defalt404Reviewed in Mexico on October 21, 2021
5.0 out of 5 stars Nice solid book
Even though the book is used it came in a really good condition almost like new. It has a hard cover which is nice and a paper cover that can be removed.
Defalt404Nice solid book
Reviewed in Mexico on October 21, 2021
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- Mr. G. WilsonReviewed in the United Kingdom on November 3, 2020
5.0 out of 5 stars Informative historical account of an influential group of hackers
Being a cybersecurity professional, I am interested in the history of cybersecurity so I was very keen to read this book. It did not disappoint. From the early days of young gamers documenting their hacking exploits within closed internet chat forums to the more recent leaks from national cybersecurity agencies, the Cult of the Dead Cow (cDc) casts its shadow. The cDc evolved from those early innocent beginnings culminating in more high stakes activities involving nation states and infamous individuals.
This book takes the reader on the journey, introducing various members who have been involve over the years including making some surprising revelations about the involvement of respected public figures during the formative years of the cult. The history of the secretive cDc is complex but author Joseph Menn navigates the plot and sub-plots in a way that is easy to follow. His revelations are made with sensitivity and sincerity avoiding the temptation to name and shame or idolise members.
I enjoyed reading this book as it gave me an informative background to many of the news headlines that demonise individuals who act for the good of humanity. If you're a cybersecurity professional like me, you will find this book fascinating. But this book has a wider appeal so I recommend this to anyone who has a passing interest hacking computers.
- n0b0dyReviewed in Canada on July 12, 2024
5.0 out of 5 stars A Riveting Insight into Cybersecurity Heroes
"Cult of the Dead Cow" is not just a book; it’s a journey through the evolution of cybersecurity seen through the eyes of its pioneers. As an old-timer in the cybersecurity field, I found this book to be a captivating blend of history, innovation, and the ethical dilemmas that shape our digital world. It chronicles how a group of hackers transformed into ethical activists, shaping policies and technologies that define our digital landscape today. With insightful storytelling and a deep understanding of the hacker culture, this book not only educates but also inspires a new generation to think critically about cybersecurity and its global impact. A must-read for anyone passionate about the intersection of technology, ethics, and security.
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Max HReviewed in Germany on February 5, 2020
5.0 out of 5 stars US Variante des CCC ?
Der CDC ist in meinen Augen die US-Version des Chaos Computer Clubs.
Das Buch erzählt viele Anekdoten und bringt auch immer wieder bekante Namen in Spiel.
Im Gegensatz zum CCC is der CDC kommerziell gegangen.
Es wird auch darauf eingegangen, wo die Mitglieder heute sitzen, Sicherheitschef bei xxx, SIcherheitsberater bei yyy usw.