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The US bans DeepSeek in civilian federal agencies, including products that use it

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AT A GLANCE

The Department of Homeland Security order was made public on 20 October: scope and China’s reaction.

Photo of the new headquarters of the US Department of Homeland Security (archive photo)
DHSgov · Public domain
In this article

The essentials

The Department of Homeland Security (DHS) orders civilian federal agencies to stop buying DeepSeek products and services and to remove those already in use. The order was made public on 20 October.

The scope

It targets not only DeepSeek’s products but also those of other vendors built with its technologies. Agencies may request exceptions. National security systems fall under a different regime, and private companies and individuals are not affected.

Reasons and context

The DHS warns that sensitive data of US government users could be accessible to Chinese authorities under Chinese law. A December 2025 law already restricted DeepSeek in intelligence and national security systems; the order extends it to civilian agencies. In September, a CISA notice accused DeepSeek and five other Chinese AI companies of large-scale distillation to extract information from American systems.

China’s reaction

The spokesperson of China’s foreign ministry opposes “an abusive extension of the notion of national security and the politicisation of technological and trade issues” and promises to defend the legitimate rights of Chinese companies. According to Bloomberg, China is considering restricting the export of 23 AI-related technologies.

Procedure and deadlines

According to the reports, agencies have 60 days from the order to request exceptions, which CISA accepts or refuses in writing. A targeted company may challenge the order before the federal appeals court in Washington within 60 days of notification. Some reports say the order was signed in July.

To keep in mind

Some reports place the signing of the order in July; dates vary. This article is based on TechCrunch.

LANGUAGE NOTES

Learn the grammar

Explained in English

French grammar

Learn sentence patterns and usage from the article’s own sentences.

01The present indicative
Structure

est / sont + attribute (noun, adjective, prepositional phrase)

In the article
Les dates d’annonce, des faits et de vérification sont distinctes.
Key points

Être in the present is est for a singular subject and sont for a plural one. It describes nature, state or place (“is”, “is located”). If what follows (the attribute) is a noun, adjective or prepositional phrase, it is not a passive. If a past participle follows, it is a passive (est annoncé). Headlines and summaries often use the present to describe the current situation.

02The passé composé
Structure

present of avoir + past participle

In the article
Les chiffres viennent des entreprises ou des organismes cités ; JAPANITIES ne les a pas vérifiés.
Key points

The passé composé is the most common past tense, used for “did” and “has done” — actions completed in the past. It is formed with the auxiliary avoir (a / ont…) in the present + a past participle. Past participles of -er verbs end in -é (annoncer → annoncé); learn the irregular ones (faire → fait, prendre → pris, voir → vu). In the negative, ne … pas wraps the auxiliary (n’a pas annoncé). In the news it reports facts that have already happened, such as “announced” or “voted”.

03The imparfait
Structure

stem (nous form of the present) + -ais / -ait / -ions / -iez / -aient

In the article
En septembre, un avis de la CISA accusait DeepSeek et cinq autres entreprises chinoises d’IA de distillation à grande échelle pour extraire des informations de systèmes américains.
Key points

The imparfait describes states, background, habits and actions in progress in the past (il était, elle avait, ils pensaient). Take the nous form of the present, drop -ons, and add -ais / -ais / -ait / -ions / -iez / -aient. If the passé composé gives “the event itself”, the imparfait paints “the situation at the time”.

04The present conditional
Structure

stem (infinitive) + -ais / -ait / -ions / -iez / -aient

In the article
Le DHS avertit que les données sensibles d’utilisateurs du gouvernement américain pourraient être accessibles aux autorités chinoises en vertu du droit chinois.
Key points

The conditional expresses possibility, supposition, unconfirmed information and polite requests (“would”, “might”). It uses the same stem as the future and the same endings as the imparfait (-ais, -ait, -ions, -iez, -aient): pouvoir → il pourrait. In the news it is used to avoid asserting, as in “is reported to…” or “there is a possibility…”.

05The passive voice in the present
Structure

être (est / sont) + past participle (+ par / de)

In the article
Les systèmes de sécurité nationale relèvent d’un autre régime, et les entreprises privées et particuliers ne sont pas concernés.
Key points

The passive means “is done” or “is being done”. It is formed with être + past participle, which agrees with the subject in gender and number (la mesure est adoptée / les mesures sont adoptées). The agent is introduced by par (or de). In the news it is common when the event, rather than the actor, is the focus (est prévu / est annoncé / est connu).

06The passive in the passé composé
Structure

a / ont été + past participle

In the article
L’ordre du département de la Sécurité intérieure a été rendu public le 20 octobre : périmètre et réaction de la Chine.
Key points

The past passive means “was done”. Its form is present of avoir + été (past participle of être) + past participle. Été does not change, but the last participle agrees with the subject in gender and number (la loi a été votée / les textes ont été votés). It is frequent in news reporting results such as votes, decisions and announcements.

07Negation and its scope
Structure

ne / n’ … pas · ne … plus

In the article
Les systèmes de sécurité nationale relèvent d’un autre régime, et les entreprises privées et particuliers ne sont pas concernés.
Key points

Normally ne and pas wrap the verb. Before a vowel, ne becomes n’. Check which part of the sentence the negation covers. Ne … plus means “no longer”.

08Citing a source with selon
Structure

selon + noun / organisation

In the article
Selon Bloomberg, la Chine envisage de restreindre l’exportation de 23 technologies liées à l’IA.
Key points

Selon means “according to”. Put a person or organisation after it as the source. It separates facts the writer checked directly from what another body or report said. Citing a source does not turn a forecast into an accomplished fact.

09Pouvoir: ability and possibility
Structure

peut / peuvent / pourrait + infinitive

In the article
Les agences peuvent demander des exceptions.
Key points

Put a base-form verb after pouvoir. Peut means “can” or “may”; the conditional pourrait gives a more reserved possibility, “might”. It does not necessarily mean implementation is settled.

10Expressing a plan or a deadline
Structure

être prévu / prévoir / être envisagé

In the article
Une entreprise visée peut contester l’ordre devant la cour d’appel fédérale de Washington dans les 60 jours suivant la notification.
Key points

Prévoir means “to plan, to expect”. Être prévu means “to be scheduled” and être envisagé means “to be under consideration”. In the news, read them separately from expressions that describe events that have already happened. They do not say that the event has already taken place.

11Purpose with pour
Structure

pour + infinitive

In the article
En septembre, un avis de la CISA accusait DeepSeek et cinq autres entreprises chinoises d’IA de distillation à grande échelle pour extraire des informations de systèmes américains.
Key points

This is the purpose, “in order to…”. Put the base form of a verb after pour. The purpose stated here is separate from whether the effect was actually achieved.

Explained in English

Japanese grammar

Understand the structure and usage from the text.

01Citing a source: によると
Structure

noun + によると

In the article
報道によると、機関は、命令から60日以内に、例外を申請できます。
Key points

As in “LCPによると”, it shows where the information comes from. What that source reported follows. It is used differently from “私にとって”, which gives one’s own opinion.

02Polite negation and plain form
Structure

〜ではありません / 〜ではない

In the article
国家安全保障のシステムは、別の扱いで、民間企業や個人は、この命令の対象ではありません。
Key points

They negate a noun and similar content. “ではありません” is the polite form and “ではない” the plain form. “成立ではありません” shows that it cannot be said to have been concluded.

03Cause or purpose with ため
Structure

〜ため / 〜ために

In the article
9月には、アメリカの機関が、DeepSeekなど中国のAI企業6社が、アメリカのAIから情報を引き出すために「蒸留」を大規模に行ったと指摘しています。
Key points

ため is used for both reason and purpose. “成立ではないため” is a reason and “運転手を守るため” a purpose. Decide from the whole sentence whether what precedes is a cause or a goal.

04Giving examples with など
Structure

noun / expression + など

In the article
ブルームバーグは、中国が、AIチップの設計や一部の高度なAIモデルなど、23のAI関連技術の輸出制限を検討していると報じています。
Key points

“暴言など” gives “abusive language” as one example. It is not necessarily a closed list of only the things named. It also helps when reading the scope of a news story.

05The polite past ました
Structure

verb stem (連用形) + ました

In the article
米国土安全保障省の命令が、20日に公表されました。
Key points

In “発表しました”, ました makes a verb polite past. The negative is “ませんでした”. Read the actual date together with the date and time in the text.

06Quoting with と: content and report
Structure

plain-form sentence + と + verbe de parole (報じる, 説明する…)

In the article
中国外務省のスポークスパーソンは、「国家安全保障の概念を広げすぎて、技術と貿易を政治の問題にすること」に反対し、中国企業の正当な権利を断固として守ると述べました。
Key points

と takes the content that is reported or explained. In “改定する方針だと報じました”, “改定する方針だ” is what the report said. Separating the content from who said it and how makes long sentences easier to read.

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