Peter Schrijver
@psguu.bsky.social
PhD student Faculty Military Sciences Breda | Leiden University | interests: influence, intelligence, drones | BA History Utrecht, MA Military Strategic Studies Breda
Latest article: https://www.tandfonline.com/doi/full/10.1080/08850607.2025.2522222
Latest article: https://www.tandfonline.com/doi/full/10.1080/08850607.2025.2522222
Pinned
Peter Schrijver
@psguu.bsky.social
· Jul 15
Updated, to introduce myself a few links to articles written or co-written by me:
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/i-w...
platformraam.nl/artikelen/27...
www.tandfonline.com/doi/full/10....
irregularwarfare.org/articles/ind...
mwi.westpoint.edu/ukraines-fig...
‘Because unmanned systems now conduct up to 80 percent of 🇷🇺 fire missions, the center of gravity in C2 innovation has shifted toward software that manages drones and integrates them with artillery and other fire units’.
www.csis.org/analysis/how...
www.csis.org/analysis/how...
February 11, 2026 at 9:18 PM
‘Because unmanned systems now conduct up to 80 percent of 🇷🇺 fire missions, the center of gravity in C2 innovation has shifted toward software that manages drones and integrates them with artillery and other fire units’.
www.csis.org/analysis/how...
www.csis.org/analysis/how...
Intelligence, public communication:
‘Holders of 🇺🇦 phone numbers received an SBU message on Feb. 11 warning that Russians are trying to recruit Ukrainians to register Starlink terminals for use by 🇷🇺 troops and that doing so is a criminal offense in Ukraine’.
kyivindependent.com/sbu-sends-me...
‘Holders of 🇺🇦 phone numbers received an SBU message on Feb. 11 warning that Russians are trying to recruit Ukrainians to register Starlink terminals for use by 🇷🇺 troops and that doing so is a criminal offense in Ukraine’.
kyivindependent.com/sbu-sends-me...
SBU sends text warning Russians are trying to recruit Ukrainians to register Starlink terminals
The messages come a week after Ukraine's defense ministry agreed with Starlink's parent company, SpaceX, to introduce mandatory registration for the internet terminals in Ukraine, a move meant to prev...
kyivindependent.com
February 11, 2026 at 6:14 PM
Intelligence, public communication:
‘Holders of 🇺🇦 phone numbers received an SBU message on Feb. 11 warning that Russians are trying to recruit Ukrainians to register Starlink terminals for use by 🇷🇺 troops and that doing so is a criminal offense in Ukraine’.
kyivindependent.com/sbu-sends-me...
‘Holders of 🇺🇦 phone numbers received an SBU message on Feb. 11 warning that Russians are trying to recruit Ukrainians to register Starlink terminals for use by 🇷🇺 troops and that doing so is a criminal offense in Ukraine’.
kyivindependent.com/sbu-sends-me...
Briljante voorkant van het jaarlijkse publieke rapport van de Estse buitenlandse inlichtingendienst:
www.valisluureamet.ee/en.html
www.valisluureamet.ee/en.html
February 11, 2026 at 8:24 AM
Briljante voorkant van het jaarlijkse publieke rapport van de Estse buitenlandse inlichtingendienst:
www.valisluureamet.ee/en.html
www.valisluureamet.ee/en.html
Reposted by Peter Schrijver
Russische grip op het internet. Nieuwe restricties voor het toch zeer populaire Telegram. 1/2
kyivindependent.com/russia-repor...
kyivindependent.com/russia-repor...
Russia restricts Telegram in latest push to tighten internet control
Russian lawmaker Andrei Svintsov said Telegram may face restrictions because it "does not fully comply with the requirements" of Russian law.
kyivindependent.com
February 10, 2026 at 1:18 PM
Russische grip op het internet. Nieuwe restricties voor het toch zeer populaire Telegram. 1/2
kyivindependent.com/russia-repor...
kyivindependent.com/russia-repor...
Reposted by Peter Schrijver
Russia has so many foreign sites and services blocked it’s impossible to keep track. Kommersant provides a helpful review of ten years of Russian blocks.
Kommersant.ru/doc/8420495
Kommersant.ru/doc/8420495
От LinkedIn до Telegram
Как РКН блокировал коммуникационные сервисы последние 10 лет
Kommersant.ru
February 10, 2026 at 7:36 PM
Russia has so many foreign sites and services blocked it’s impossible to keep track. Kommersant provides a helpful review of ten years of Russian blocks.
Kommersant.ru/doc/8420495
Kommersant.ru/doc/8420495
Reposted by Peter Schrijver
Steeds meer details komen naar buiten over de aanslag op Vladimir Aleksejev, plv. hoofd van de Russische militaire inlichtingendienst GRoe. De pikantste: hij was onbeveiligd omdat hij op weg was naar zijn minnares, en de aanslag lijkt niet door 🇺🇦 te zijn uitgevoerd.
🍿 1/10
🍿 1/10
February 8, 2026 at 8:22 PM
Steeds meer details komen naar buiten over de aanslag op Vladimir Aleksejev, plv. hoofd van de Russische militaire inlichtingendienst GRoe. De pikantste: hij was onbeveiligd omdat hij op weg was naar zijn minnares, en de aanslag lijkt niet door 🇺🇦 te zijn uitgevoerd.
🍿 1/10
🍿 1/10
In January 2026, Shahed-type UAVs continued to be a key instrument in 🇷🇺’s campaign to systematically undermine 🇺🇦’s energy resilience.
January 2026 was notable for the use of large numbers of various types of missiles in combination with strike UAVs’
isis-online.org/isis-reports...
January 2026 was notable for the use of large numbers of various types of missiles in combination with strike UAVs’
isis-online.org/isis-reports...
Monthly Analysis of Russian Shahed 136 Deployment Against Ukraine | ISIS Reports | Institute For Science And International Security
isis-online.org
February 10, 2026 at 7:21 PM
In January 2026, Shahed-type UAVs continued to be a key instrument in 🇷🇺’s campaign to systematically undermine 🇺🇦’s energy resilience.
January 2026 was notable for the use of large numbers of various types of missiles in combination with strike UAVs’
isis-online.org/isis-reports...
January 2026 was notable for the use of large numbers of various types of missiles in combination with strike UAVs’
isis-online.org/isis-reports...
Reposted by Peter Schrijver
Via, 🇺🇦 Coördinatiehoofdkwartier voor de behandeling van krijgsgevangenen: t.me/Koord_shtab/...
Berichten over de chantage van families van krijgsgevangenen zijn helaas niet nieuw:
Berichten over de chantage van families van krijgsgevangenen zijn helaas niet nieuw:
Russen chanteren families van Oekraïense krijgsgevangenen.
In sommige gevallen worden familieleden direct vanaf het slagveld gebeld.
"Deze telefoontjes zijn bedoeld om te shockeren, emotionele druk uit te oefenen en de familieleden te dwingen mee te werken.”
In sommige gevallen worden familieleden direct vanaf het slagveld gebeld.
"Deze telefoontjes zijn bedoeld om te shockeren, emotionele druk uit te oefenen en de familieleden te dwingen mee te werken.”
Russia Demands Ransom and Uses Emotional Manipulation on Families of Captured Ukrainian Soldiers
Ukrainian families of POWs face pressure from Russian forces, receiving calls with coercive demands for cooperation following captured soldiers' detainment.
united24media.com
February 10, 2026 at 12:33 PM
Via, 🇺🇦 Coördinatiehoofdkwartier voor de behandeling van krijgsgevangenen: t.me/Koord_shtab/...
Berichten over de chantage van families van krijgsgevangenen zijn helaas niet nieuw:
Berichten over de chantage van families van krijgsgevangenen zijn helaas niet nieuw:
Russische grip op het internet. Nieuwe restricties voor het toch zeer populaire Telegram. 1/2
kyivindependent.com/russia-repor...
kyivindependent.com/russia-repor...
Russia restricts Telegram in latest push to tighten internet control
Russian lawmaker Andrei Svintsov said Telegram may face restrictions because it "does not fully comply with the requirements" of Russian law.
kyivindependent.com
February 10, 2026 at 1:18 PM
Russische grip op het internet. Nieuwe restricties voor het toch zeer populaire Telegram. 1/2
kyivindependent.com/russia-repor...
kyivindependent.com/russia-repor...
Reposted by Peter Schrijver
I wrote on Russia's cyber-attack against Poland's energy system in December, why it suggests a more aggressive Russian approach to disrupting critical infrastructure in Europe, and why the involvement of the FSB, Russia's security service, is bad news. www.economist.com/europe/2026/...
Russia’s sabotage campaign is becoming bolder
Hacks against Polish energy plants suggest the FSB is involved
www.economist.com
February 9, 2026 at 7:47 PM
I wrote on Russia's cyber-attack against Poland's energy system in December, why it suggests a more aggressive Russian approach to disrupting critical infrastructure in Europe, and why the involvement of the FSB, Russia's security service, is bad news. www.economist.com/europe/2026/...
Article on 🇺🇦 middle strike drones:
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
February 9, 2026 at 7:40 PM
Article on 🇺🇦 middle strike drones:
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
"These are drones that operate at a distance of 50-200+ km, carry a significantly heavier warhead, have better navigation, and resistance to electronic warfare compared to FPV drones, but cheaper than short-range cruise missiles."
dou.ua/lenta/articl...
1/ Article explaining what Starlink means for Russian operations, how this is currently blocked, and what Ukrainian units must do to maintain connectivity.
dou.ua/lenta/articl...
dou.ua/lenta/articl...
Реєстрація Starlink в Україні: як, навіщо і чи допоможе це в боротьбі з російськими дронами (UPD)
Україна впроваджує верифікацію пристроїв Starlink через ЦНАПи, «Дію» та DELTA. Як верифікувати свій термінал, чи дієве це рішення, на думку звʼязківців, і що далі можна очікувати від ворога — у розбор...
dou.ua
February 9, 2026 at 7:24 PM
1/ Article explaining what Starlink means for Russian operations, how this is currently blocked, and what Ukrainian units must do to maintain connectivity.
dou.ua/lenta/articl...
dou.ua/lenta/articl...
🇺🇦 Defense Intelligence (HUR) is issuing a warning regarding a planned Russian influence campaign timed to coincide with the Munich Security Conference in Germany (scheduled for February 13–15, 2026). 1/2
t.me/DIUkraine/7823
t.me/DIUkraine/7823
February 9, 2026 at 6:35 PM
🇺🇦 Defense Intelligence (HUR) is issuing a warning regarding a planned Russian influence campaign timed to coincide with the Munich Security Conference in Germany (scheduled for February 13–15, 2026). 1/2
t.me/DIUkraine/7823
t.me/DIUkraine/7823
Reposted by Peter Schrijver
This must be how the vetting of Lord Mandelson was conducted, prior to appointing him Ambassador to the US ⬇️
m.youtube.com/watch?v=VtPG...
m.youtube.com/watch?v=VtPG...
Is Sir Humphrey a Soviet Spy? | Yes, Prime Minister | BBC Comedy Greats
YouTube video by BBC Comedy Greats
m.youtube.com
February 8, 2026 at 10:44 AM
This must be how the vetting of Lord Mandelson was conducted, prior to appointing him Ambassador to the US ⬇️
m.youtube.com/watch?v=VtPG...
m.youtube.com/watch?v=VtPG...
‘Each [Telegram] post catalogues targets with almost mechanical meticulousness: vehicle types, drone variants, strike angles, and effects. Many of these hits rely on Rubikon’s hallmark fiber-optic drones, specifically designed to withstand electronic warfare’.
new-defense.com/what-we-get-...
new-defense.com/what-we-get-...
February 8, 2026 at 9:50 AM
‘Each [Telegram] post catalogues targets with almost mechanical meticulousness: vehicle types, drone variants, strike angles, and effects. Many of these hits rely on Rubikon’s hallmark fiber-optic drones, specifically designed to withstand electronic warfare’.
new-defense.com/what-we-get-...
new-defense.com/what-we-get-...
‘Russia’s pro-war bloggers are increasingly falling under the state steamroller of repression, finding themselves labeled “foreign agents” or charged under extremism laws’.
carnegieendowment.org/russia-euras...
carnegieendowment.org/russia-euras...
Why Is the Kremlin Punishing Pro-War Russian Bloggers?
A series of reprisals against pro-war Russian bloggers appears to be in keeping with the logic of neutralizing threats before they become too serious. But a closer look reveals that each case had its ...
carnegieendowment.org
February 8, 2026 at 9:44 AM
‘Russia’s pro-war bloggers are increasingly falling under the state steamroller of repression, finding themselves labeled “foreign agents” or charged under extremism laws’.
carnegieendowment.org/russia-euras...
carnegieendowment.org/russia-euras...
Reposted by Peter Schrijver
Russian government officials in the Duma and diplomatic corps angrily deny Italian accusations of hacker attacks on the Olympics. The attackers Noname057 very proudly took credit for the attack. Typical of the denial of obvious reality with which Russia responds to hacking allegations.
February 6, 2026 at 3:25 PM
Russian government officials in the Duma and diplomatic corps angrily deny Italian accusations of hacker attacks on the Olympics. The attackers Noname057 very proudly took credit for the attack. Typical of the denial of obvious reality with which Russia responds to hacking allegations.
Reposted by Peter Schrijver
February 7, 2026 at 1:26 PM
Interessant rapport van @hcss.bsky.social
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
February 7, 2026 at 11:24 AM
Interessant rapport van @hcss.bsky.social
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Over 🇺🇦 omgang met de oorlog, niet alleen de krijgsmacht, maar ook veel ‘citizen-soldier-activists’. Niet per se ingekapseld in de strijdkrachten, maar juist daarom snel in staat vernieuwende stappen te maken op drone- en EOV-gebied.
hcss.nl/wp-content/u...
Focus grootschalige inzet van drones ligt op Russisch-Oekraïense oorlog, maar inmiddels is toepassing al veel breder. Voor surveillance en strikes. Zie o.a. deze berichtgeving in context van oorlog in Soedan:
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
February 7, 2026 at 9:48 AM
Focus grootschalige inzet van drones ligt op Russisch-Oekraïense oorlog, maar inmiddels is toepassing al veel breder. Voor surveillance en strikes. Zie o.a. deze berichtgeving in context van oorlog in Soedan:
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
www.nytimes.com/2026/02/01/w...
www.reuters.com/business/aer...
‘Telegram wird intensiver von jüngeren, höher gebildeten und politisch engagierten Personen genutzt sowie von Menschen, die Nachrichtenupdates suchen, insbesondere zu lokalen Ereignissen. Die Kanäle der Plattform sind zu wichtigen Nachrichtenquellen geworden’.
laender-analysen.de/ukraine-anal...
laender-analysen.de/ukraine-anal...
Ukraine-Analysen | Länder-Analysen
Die Länder-Analysen bieten regelmäßig kompetente Einschätzungen aktueller politischer, wirtschaftlicher, sozialer und kultureller Entwicklungen in Ostmitteleuropa und der post-sowjetischen Region.
laender-analysen.de
February 7, 2026 at 8:50 AM
‘Telegram wird intensiver von jüngeren, höher gebildeten und politisch engagierten Personen genutzt sowie von Menschen, die Nachrichtenupdates suchen, insbesondere zu lokalen Ereignissen. Die Kanäle der Plattform sind zu wichtigen Nachrichtenquellen geworden’.
laender-analysen.de/ukraine-anal...
laender-analysen.de/ukraine-anal...
Bundeswehr in 🇱🇹
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
No front line: Russia's hybrid pressure on German army in Lithuania
The German army brigade in Lithuania is not under fire, but it is under hybrid attack. Soldiers report mysterious phone calls, and drones appear to be spying on manoeuvres. How should the Bundeswehr a...
www.euronews.com
February 7, 2026 at 8:43 AM
Bundeswehr in 🇱🇹
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"A comrade phones home, speaks for half an hour, and then gets a call from an unknown number. He answers – and hears his own conversation from earlier, recorded and played back," Joshua Krebs described the experience in his book, Inside Bundeswehr.
www.euronews.com/2026/02/07/n...
"Al het verkeer naar de luchthavens in Lublin en Rzeszów in het zuidoosten van Polen werd in de nacht van vrijdag op zaterdag gedurende enkele uren stilgelegd vanwege Russische aanvallen op Oekraïne”.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
”All trafik till flygplatserna i Lublin och i Rzeszow i sydöstra Polen stoppades under ett antal timmar natten mot lördag på grund av ryska attacker mot Ukraina.”
Och fortsätter liknande attacker får de stänga flygplatserna var och varannan natt hädanefter?
Och fortsätter liknande attacker får de stänga flygplatserna var och varannan natt hädanefter?
Polska flygplatser stängdes efter attacker i Ukraina – Senaste nytt om kriget i Ukraina
Rysslands storskaliga invasion av Ukraina har pågått sedan den 24 februari 2022, då ryska trupper anföll Ukraina från flera håll. Ryssland ockuperar flera regioner i östra och södra Ukraina. Här hitta...
www.svt.se
February 7, 2026 at 8:29 AM
"Al het verkeer naar de luchthavens in Lublin en Rzeszów in het zuidoosten van Polen werd in de nacht van vrijdag op zaterdag gedurende enkele uren stilgelegd vanwege Russische aanvallen op Oekraïne”.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Rzeszów is het belangrijkste knooppunt voor de westerse steun aan 🇺🇦.
Reposted by Peter Schrijver
Yup. Witkoff and Kushner are using cheap Russian humiliation tactics. But let it be known that the whole "peace process" is as much of a useless joke as these two clowns.
What Europe's talking about this morning: at the UAE "summit," the Ukrainians were represented by professional diplomats attired in suits, where as the Trump White House was represented by mob-connected real estate executives dressed like they got lost on the way to the gym.
February 7, 2026 at 5:37 AM
Yup. Witkoff and Kushner are using cheap Russian humiliation tactics. But let it be known that the whole "peace process" is as much of a useless joke as these two clowns.
🛰️💻 𝗖𝘆𝗯𝗲𝗿 𝗮𝗻𝗱 𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻: 𝗻𝗼𝘁 𝗮 “𝗱𝗼𝗺𝗮𝗶𝗻”, 𝗯𝘂𝘁 𝗮 𝗰𝗮𝗺𝗽𝗮𝗶𝗴𝗻
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
February 6, 2026 at 6:31 PM
🛰️💻 𝗖𝘆𝗯𝗲𝗿 𝗮𝗻𝗱 𝗶𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻: 𝗻𝗼𝘁 𝗮 “𝗱𝗼𝗺𝗮𝗶𝗻”, 𝗯𝘂𝘁 𝗮 𝗰𝗮𝗺𝗽𝗮𝗶𝗴𝗻
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...
‘The report highlights a recurring Russian pattern: cyber is treated inside a broader ‘information confrontation’ logic, integrated, not separated’. www.foi.se/rapporter/ra...