💻 DEF CON 34. • Все началось в далеком 1993 году, когда Джефф Мосс (основатель DEF CON и Black Hat) организовал прощальную вечеринку для своего друга, который переезжал в другой город. С тех пор конференция DEF CON смогла перерасти в крупнейшее хакерское мероприятие и привлечь к себе аудиторию по всему миру. • За годы проведения мероприятия хакеры смогли доказать, с какой легкостью можно взломать обычный компьюте…

Channel
S.E.Book
@S_E_Book
On this record: Also posting the same content · Growth · Engagement · What this channel posts · Stars · Advertising · Posts · Posts edited after publishing · Citations · Handles named that no longer answer · Telegram's recommendations · Cite this entry
23,220subscribers
-8 since we began measuring on 6 August 2026
Risers and fallers across the register · movement among entries of 10,000–31,623.
Register entry
| Telegram ID | -1001181535412 |
|---|---|
| Type | Channel |
| Username | @S_E_Book |
| Description | Copyright: @SEAdm1n Вакансии: @infosec_work Сотрудничество - @SEAdm1n Обратная связь. Вопросы, предложения, пожелания, жалобы - @Social_Engineering_bot РКН: https://vk.cc/cN3VGo |
| Created | 28 January 2019 — measured — cross-checked against a third-party dataset (TGDataset) |
| First recorded | 6 August 2026 |
| Last confirmed live | 12 August 2026 |
| Measurements held | 8 |
| Confirmed unchanged | 1 time, most recently 12 August 2026 |
| On Telegram | t.me/S_E_Book |
Also posting the same content
This channel’s posts match, word for word or near enough, posts on 1 other registered channel, found by comparing text fingerprints across every channel on the register. That matching has been checked by hand against the live Telegram pages and found reliable — 0 wrong of 45 pairs re-read.
Which channel, if either, published first is deliberately not shown. The same hand-check found that reading wrong 18 of 45 times — 60%, no better than a coin flip — because it depends on how deep our own crawl happened to reach into each channel’s history, not on when the content was actually first posted. This list is ordered by subscriber count, the same as every other listing on this site, never by which channel we think came first. Word-for-word matching has several ordinary explanations besides copying — a channel mirroring itself, an unattributed repost, or two channels independently repeating the same wire story — and this measurement cannot tell those apart. How this is measured.
Growth
| Measured (UTC) | Subscribers | Change |
|---|---|---|
| 12 Aug 2026, 21:29 | 23,220 | +1 |
| 11 Aug 2026, 17:53 | 23,219 | -3 |
| 10 Aug 2026, 20:51 | 23,222 | -4 |
| 9 Aug 2026, 22:32 | 23,226 | -2 |
| 8 Aug 2026, 23:03 | 23,228 | -1 |
| 6 Aug 2026, 18:24 | 23,229 | +1 |
| 6 Aug 2026, 04:00 | 23,228 | no change |
| 6 Aug 2026, 03:58 | 23,228 | first reading |
Engagement
35 posts held, back to 24 July 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 17 pagesof Telegram’s post history, 20 posts per page.
- ERR · 30 days
- 5.22%
- avg views ÷ 23,220 subscribers
- Avg views / post
- 1,210
- 35 posts measured
- Reaction rate
- 0%
- reactions ÷ views · ER floor
- Posts in window
- 35
- of 35 held
ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.
ER is defined industry-wide as (forwards + reactions + comments) ÷ views— note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate. It is computed over the 1 of 35 measured posts that carry a reaction reading, and over those same posts' views.
| Window | Rolling 30 days · latest post in window 12 August 2026 |
|---|---|
| Posts held | 35 (24 July 2026 – 12 August 2026) |
| Views total | 42,415 |
| Reactions total | 0 |
| Forwards / comments | not exposed by the public surface — not measured, not estimated |
| Readings taken | 12 Aug 2026, 22:48 UTC |
Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.
Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.
Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.
What this channel posts
- Photos
- ≈1,000
- Videos
- ≈41
- Links
- ≈2,010
Lifetime counters from Telegram’s own channel header, read 12 August 2026 — not the date at the top of this page, which is when the subscriber count was last read. A count marked ≈ was rounded by Telegram before we ever saw it — t.me prints these counters in full below 1,000 and to three significant figures above, so ≈142,000 means somewhere between 141,500 and 142,499.
Telegram Stars
- Stars received
- 4
- across the posts below
- Posts paid on
- 1
- of 35 we hold a reading for · 3%
- Most on one post
- 4
- single highest reading
A paid reaction is a reader spending Telegram Stars — bought with money — on a post by @S_E_Book. Telegram publishes the count on the public post preview alongside ordinary reactions, and this register reads it there. It is the only figure on this site that measures money moving rather than attention.
Stars are not reactions, and the two are never added. They are rendered in the same strip on Telegram and counted in the same shape, but one is a tap and the other is a purchase. The reaction totals and the engagement rate elsewhere on this page exclude every figure in this section, and no rate here is computed against a reaction count.
This is not revenue, and we publish no currency figure. What a Star costs a reader and what it pays a channel are different numbers, Telegram takes a share we cannot observe, and the terms have changed. Converting a Star count into money would be an estimate dressed as a measurement, so the count is where we stop.
Counted over the 35 most recent posts we hold for this entry, published 24 July 2026 to 12 August 2026. Star counts above 1,000 reach us in Telegram’s short form and carry the same three-significant-figure rounding as everything else on this page.
Advertising
- Ad load
- 2.86%
- 1 of 35 posts carry an ad marker
- Regulatory tokens
- 1
- posts carrying an erid · 1 distinct token
- Median views · ads
- 955
- over 1 measured post
- Median views · rest
- 1,210
- over 34 measured posts
An ad marker, not a judgement about a post. A post is counted here because it carries one of two explicit markings: an erid token, which Russian law has required on paid placements since 2022 and which is issued against a specific advertising contract, or a #реклама / #ad hashtag in the body, which is the channel declaring it itself. The first is documentary; the second is a self-declaration and is weaker. No classifier reads the text and decides — nothing on this site guesses that a post is an advertisement.
This is a floor, and it can only ever be a floor.A channel that runs paid placements without marking them produces no marker for us to count, and an unmarked ad is indistinguishable from an ordinary post on the public surface. The ad load above therefore means “the share of posts that declared themselves”, never “the share of posts that were paid for”. A low figure is not evidence of a channel that runs few ads.
Both figures are medians, and no ratio between them is published. Each is a view reading that actually occurred on a post, picked by percentile_disc rather than averaged, so one viral post cannot move it and no interpolated value is invented between two readings. The sample on one side is under five posts, which is too thin to compare. The two figures are shown side by side with the count behind each, and deliberately not divided into a headline like “ads get x% fewer views” — an arithmetic that is easy to print and, at this sample size, means nothing.
| erid | Posts | First seen | Last seen |
|---|---|---|---|
| 2W5zFH8mtoT | 1 | 11 August 2026 | 11 August 2026 |
A token repeated across several posts is one advertising contract placed more than once, which is what the identifier is for. The strings are reproduced exactly as they appeared in the post or in its click-through URL and are not validated against any registry — we record the marker a channel published, and whether it resolves to a real contract is a question for the register that issued it.
Measured over the 35 most recent posts we hold, published 24 July 2026 to 12 August 2026. Views are the latest single reading held for each post, and any reading at or above 1,000 is rounded by Telegram to three significant figures.
Recent posts
• C 1 по 6 августа в США проходила одна из крупнейших международных конференций в мире по информационной безопасности - Black Hat USA 2026. Она является частью серии конференций Black Hat, которые проводятся также в Азии и Европе. В этом году на конфе было представлено большое количество интересных докладов и уникальной информации. • Официальный YT-канал пока не опубликовал видео с выступлений, но в одном из репоз…
Microsoft выкатила PatchTuesday за август 2026 года, а вместе с ним и обновления для огромного количества уязвимостей - около 400, включая одну активно используемую и две публично раскрытые 0-day. В рамках обновления устранены 42 критические уязвимости, 37 из которых представляют собой RCE, а 5 - EoP. Расклад по категориям представлен следующим образом: 176 - EoP, 11 - обход функций безопасности, 110 - RCE, 86 - ра…
💡 Появление оптоволокна. • Сотни лет назад моряки определяли свое местоположение в море по частоте вспышек на маяках. Каждый маяк имел свою «зарезервированную» частоту, примерно как сейчас в телевидением или радио. Даже ночью в тяжелых погодных условиях можно было точно понять, к какому конкретно порту приближается корабль. • Важной вехой, которая приближает нас к теме статьи, стало изобретение в 1880 году Алекса…
Фреймворк антихрупкой ИТ-архитектуры и инструмент оценки киберустойчивости компаний Киберинциденты и сбои неизбежны. Вопрос в том, насколько быстро сможет компания восстановиться и станет ли ее инфраструктура сильнее после атаки? «Инфосистемы Джет» разработала Фреймворк антихрупкой ИТ-архитектуры и открытый инструмент экспресс-оценки киберустойчивости компаний «Индекс антихрупкости». Фреймворк основан на опыте рас…
😟 Как спрятать любые данные в PNG. • На хакерских конкурсах и играх CTF иногда попадаются задачки на стеганографию: вам дают картинку, в которой нужно найти скрытое сообщение. Наверное, самый простой способ спрятать текст в картинке PNG — прописать его в одном из цветовых каналов или в альфа-канале (канал прозрачности). Так вот, на хабре есть хорошая статья, где автор рассказывает о такой реализации: ➡️ https://ha…
• Microsoft убирает графические пароли из списка вариантов входа в Windows для новых пользователей. Эта информация указана в примечании к сборкам 26 100.8875 (24H2) и 26 200.8875 (25H2), входящим в июльский апдейт безопасности KB5101650. Изменение затронуло как пользователей Windows 11, так и Windows 10. • К слову, графический пароль появился 14 лет назад, когда вышла Windows 8, в октябре 2008 года. Это был альтер…
• Awesome Cloud Security Labs - объемный набор бесплатных лаб для самостоятельного изучения безопасности облачных сред и технологий: ➡AWS; ➡Azure; ➡GCP; ➡Kubernetes; ➡Container; ➡Terraform; ➡Research Labs; ➡CI/CD. ➡ https://github.com/iknowjason/Awesome-CloudSec-Labs #Cloud #ИБ
🪙 С чего всё началось: история Bug Bounty. • Идея поиска уязвимостей в системах безопасности появилась задолго до написания первых программ. В XIX веке английская компания, разрабатывающая дверные замки, предлагала 200 золотых гиней (что-то около $30 тыс. по нынешнему курсу) за взлом одного из своих товаров. Тогда американский изобретатель Альфред Чарльз Хоббс принял вызов и справился с задачей за 25 минут, получи…
• Программа 90-дневного обучения по кибербезу, которая содержит ссылки на материалы, видео и онлайн-лабы. ➡Network+; ➡Security+; ➡Linux; ➡Python; ➡Traffic Analysis; ➡Git; ➡ELK; ➡AWS; ➡Azure; ➡Hacking. ➡️ https://github.com/farhanashrafdev/90DaysOfCyberSecurity #ИБ
• Согласно исследованию специалистов VulnCheck, маршрутизаторы, произведенные китайской компанией Zbtlink, поставляются со встроенным бэкдором. • За два года Zbtlink опубликовали более 20 прошивок - во всех из них был зашит вредоносный код! Бэкдор запускается автоматически и устанавливает связь китайской инфраструктурой C2 каждые 35 секунд, что позволяет получить полный доступ к устройству. • К слову, маршрутиза…
Ресерчеры из Лаборатории Касперского по результатам нового исследования констатируют: Awaken Likho окончательно меняет почерк, переходя на собственные бэкдоры TokenBuoy и TokenBuoySH. Awaken Likho APT, также известная как Core Werewolf, с 2021 года атакует госсектор в России и Белоруссии. В большинстве раних кампаний злоумышленники использовали легитимное ПО: программы удаленного администрирования на начальных этапа…
Showing the 12 most recent of 35 posts we hold for @S_E_Book. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.
Posts edited after publishing
@S_E_Book edited 1 post after it first published — the same permalink now carries different wording than the one this register originally read, caught because our own crawl held a copy of the earlier text.
An edit is not deception. Typo fixes, price updates and corrections look exactly like this too — this register can tell you the wording changed and when, not why. How this is measured.
- First edit seen
- 12 August 2026
- Most recent edit
- 12 August 2026
Citation-graph rank
Citation-graph rank — 356,327 of 1,169,250entries in the measured graph. A weighted position computed from the forward and mention edges below — republished posts weigh more than named mentions — and recomputed periodically, over the whole graph. Published only as this ordinal position, never as a score: a position is a fact, and a score printed beside one channel’s name would read as a verdict this register does not make. The two counts beneath stay separate for the same reason mentions are never summed with forwards anywhere else on this page — a named-by count costs nothing to manufacture. The top 100 by this measure, or how it is computed.
Forward network
Republished by
Channels on the register that have forwarded this channel's posts into their own feed.
Republishes
Channels on the register whose posts this channel has forwarded.
Built only from forwarded posts we have actually read, on both sides. Coverage is early and deliberately incomplete: a missing link means we have not read the post that would prove it, never that the relationship does not exist. Counts are distinct forwarded posts observed, so they only ever go up as we read more.
Mentions
Named by 2 registered channels — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.
Named by
Channels on the register whose posts name this channel's handle.
Names
Channels on the register whose handles appear in this channel's posts.
A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.
Handles this channel named that no longer answer
- Dead references
- 1
- handles named in this channel’s posts, vacant today
- Evidenced gone
- 0
- we ourselves saw one of these resolve, at some point
- Never seen alive
- 1
- vacant every time we have ever looked
@S_E_Book named 1 handle that resolve to nothing today. That is a fact about the reference, not necessarily a fact about the handle’s history — see the two groups below.
Most of these may never have existed as a live channel at all.A handle a channel names can be a typo, an aspirational name nobody registered, or a channel that was already gone before this one ever mentioned it. Unless a row below is marked evidenced, all we know is that it references a handle that is not a live channel today — not that anything “died”. How this is measured.
Never seen alive
References a handle that is not a live channel — we have no record it ever was one.
named in 4 posts, 8 August 2026 – 13 August 2026
Appears in Telegram’s recommendations for other channels
The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.
@hack_less · 227,302
Telegram ranks this channel #28 of 81 here — alongside 80 others — read 12 August 2026
@physics_lib · 145,853
Telegram ranks this channel #63 of 72 here — alongside 71 others — read 13 August 2026
This channel appears in 2 seed channels' Telegram-generated recommendation lists in total. Each is Telegram’s list for THAT channel, not this one — see how this is measured.
Cite this entry
A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 12 August 2026 — this entry's latest reading, not the date you are reading this.
“S.E.Book” (@S_E_Book), 23,220 subscribers as measured 12 August 2026. Telegram Register, tgregister.com/channel/S_E_Book.
Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.